NGC 4151 , the SIMBAD biblio

NGC 4151 , the SIMBAD biblio (3527 results) C.D.S. - SIMBAD4 rel 1.8 - 2022.07.02CEST13:59:47

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Title First 3 Authors
1919ApJ....50..107S 106 8 Studies based on the colors and magnitudes in stellar clusters. XIV. Further remarks on the structure of the galactic system. SHAPLEY H. and SHAPLEY M.B.
1925ApJ....61..353S 63 23 Analysis of radial velocities of globular clusters and non-galactic nebulae. STROMBERG G.
1926ApJ....64..321H 407 774 Extragalactic nebulae. HUBBLE E.P.
1943ApJ....97...28S 8 6 484 Nuclear emission in spiral nebulae. SEYFERT C.K.
1951PASP...63..144H 3 8 Emission object in Coma HARO G.
1965PASP...77..287S 2 15 181 Peculiar nuclei of galaxies. SERSIC J.L. and PASTORIZA M.
1967ApJ...150....1D 77 80 Radio observations of galaxies. DE JONG M.L.
1967ApJ...150L..67F 78 T                   1 1 66 Light variations of the Seyfert galaxy
NGC 4151.
1967CRB...264...89A 67 T                   1 1 ~ Spectrophotometrie du noyau de la galaxie de Seyfert
NGC 4151.
1967PASAu...1....7O 67 T                   1 3 1 A study of the Seyfert galaxy
NGC 4151.
1968AJ.....73..953P 506 86 Measurements of the flux density and spectra of discrete sources at centimeter wavelengths. II. The observations at 5 GHz (6cm). PAULINY-TOTH I.I.K. and KELLERMANN K.I.
1968ApJ...152.1101A 10 51 A compact galaxy (III Zw 2) and a compact radio galaxy (3C 120) with Seyfert-type spectra. ARP H.
1968ApJ...153L..39F 67 T                   1 2 6 Optical spectra near 1 micron Seyfert galaxy
NGC 4151 and planetary nebulae NGC 6543.
1969A&A.....1..305S 1 3 23 Etude des noyaux des galaxies de Seyfert. II. Conditions physiques. SOUFFRIN S.
1969A&A.....1..414S 5 15 Etude des galaxies de Seyfert. III. Mecanisme d'ionisation. SOUFFRIN S.
1969ApJ...158..535U 1 2 17 Long-term behavior of the Seyfert galaxy 3C 120. USHER P.D., SHEN B.S., WRIGHT F.W., et al.
1969ApJ...158..859A 83 T                   1 1 97 Evidence for the ejection of matter from the nucleus of the Seyfert galaxy
NGC 4151.
1970ApJ...162..743A 3 8 164 Spectrophotometry of eight Seyfert galaxies. ANDERSON K.S.
1970QJRAS..11..199O 38 23 Abundances of the elements in gaseous nebulae. OSTERBROCK D.E.
1971ApJ...165L..27G 28 112 An X-ray scan of the galactic plane from UHURU. GIACCONI R., KELLOGG E., GORENSTEIN P., et al.
1971ApJ...165L..43G 71 T                   1 3 80 Detection of X-rays from the Seyfert galaxies NGC 1275 and
NGC 4151 by the UHURU satellite.
1971MNRAS.153...29P 74 T                   1 1 43 Observations of
NGC 4151 during 1970 in the optical and infra-red.
1971PASP...83..783P 29 87 Stars observed photoelectrically near quasars and related objects. PENSTON M.J., PENSTON M.V. and SANDAGE A.R.
1971PASAu...2...14H 24 1 Galactic infrared astronomy. HYLAND A.R.
1972ApJ...171....5W 32 58 Emission-line intensities and UBV magnitudes for twenty-three Markarian galaxies. WEEDMAN D.W.
1972ApJ...173L..23G 68 T                   1 5 37 On the circular polarization of HD 226868, NGC 1068,
NGC 4151, 3C 273 and VY Canis Majoris.
1972ApJ...173L..99G 79 87 X-ray emission from rich clusters of galaxies. GURSKY H., SOLINGER A., KELLOGG E.M., et al.
1972ApJ...176L..95R 62 341 Infrared photometry of extragalactic sources. RIEKE G.H. and LOW F.J.
1972ApJ...178..281G 143 259 The UHURU catalog of X-ray souces. GIACCONI R., MURRAY S., GURSKY H., et al.
1972AZh....49..930L 9 36 Optical variability of nuclei of Seyfert galaxies. LYUTYI V.M.
1972IAUS...44..267L 8 7 Seyfert galaxies. LEWIS B.M.
1972IAUS...44..269A 4 0 Radio observations of neutral hydrogen in four Seyfert galaxies. ALLEN R.J., DARCHY B.F. and LAUQUE R.
1973A&A....24...69F 29 38 Identification and radio spectra of bright galaxies in the second Bologna catalogue of radiosources and their radio luminosity function. FANTI R., GIOIA I. and LARI C.
1973A&A....29..447A 28 54 The giant spiral galaxy M 101: I. A high resolution map of the neutral hydrogen. ALLEN R.J., GOSS W.M. and VAN WOERDEN H.
1973ApJ...181L..27B 3 4 76 Infrared and radio observations of the nucleus of NGC 253. BECKLIN E.E., FOMALONT E.B. and NEUGEBAUER G.
1973ApJ...181...51U 85 T                   1 1 102 Gas motions in the nucleus of the Seyfert galaxy
NGC 4151.
1973ApJ...181L..55D 2 4 52 I4329A: an extreme Seyfert galaxy. DISNEY M.J.
1973MNRAS.161p..25D 68 T                   1 1 ~ A reassessment of the structure of the Seyfert galaxy
NGC 4151.
1973PASP...85..103S 64 42 A list of galaxies with peculiar nuclei. SERSIC J.L.
1974A&A....33..351D 1 9 45 High resolution 6 cm observations of Seyfert galaxy nuclei. DE BRUYN A.G. and WILLIS A.G.
1974ApJ...189..195A 81 T                   1 1 65 The absorption-line spectrum of
NGC 4151.
1974ApJ...192L...3E 1 15 84 On the variability of the compact nonthermal sources. ELLIOT J. and SHAPIRO S.L.
1974MNRAS.167p...1N 6 ~ Optical variability of three Seyfert galaxies. NETZER H.
1974Afz....10..493B 68 T                   1 4 5 A detailed three-colour photometry of galaxies NGC 4145,
4151, 4156 and MCG 7-25-46,48.
1974VeARI..26....0B 364 ~ Bibliography on the structure of galaxies. BROSCHE P., EINASTO J. and RUMMEL U.
1975AJ.....80..771S viz 165 109 5-GHz survey of bright galaxies. SRAMEK R.
1975ApJ...197...25M 2 3 38 Soft X-ray spectroscopy of three extragalactic sources. MARGON B., LAMPTON M., BOWYER S., et al.
1975ApJ...197..535O 3 10 158 The optical emission-line spectrum of Cygnus A. OSTERBROCK D.E. and MILLER J.S.
1975ApJ...199L...5B 77 T                   1 1 49 Hard X-ray observations of
NGC 4151.
1975ApJ...200..567S 80 T                   1 1 60 The disk of the Seyfert galaxy
NGC 4151.
1975ApJ...202....7G 46 95 H I in early-type galaxies. I. Observations. GALLAGHER J.S., FABER S.M. and BALICK B.
1975MNRAS.173p..57Q 6 ~ Activity of the nucleus of the southern Seyfert galaxy NGC 1566. QUINTANA H., KAUFMANN P. and SERSIC J.L.
1975MNRAS.173..381B 69 T                   1 15 107 New observations of the optical spectrum of the Seyfert galaxy
NGC 4151.
1976AJ.....81..574P 412 12 Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objets. PACHT E.
1976ApJ...204..315S 7 24 A measurement of fluctuations in the X-ray background by UHURU. SCHWARTZ D.A., MURRAY S.S. and GURSKY H.
1976ApJ...206L..45M 2 2 24 UCSD OSO-7 observations of the hard X-ray spectrum and variability of Centaurus A. MUSHOTZKY R.F., BAITY W.A., WHEATON W.A., et al.
1976ApJ...207..367A 17 77 The near-infrared continua of emission-line galaxies. ALLEN D.A.
1976ApJ...208...20T 320 157 Binary galaxies. I. A well-defined statistical sample. TURNER E.L.
1976MNRAS.176p..61O 68 T                   1 2 ~
NGC 4151 and Markarian 6 - two intermediate-type Seyfert galaxies.
1976Ap&SS..41..357S 21 19 30 Dor as the active centre of the Large Magellanic Cloud. SCHMIDT-KALER T. and FEITZINGER J.V.
1976LicOB.742....1T 5 1 Variation of the spectrum of the Seyfert galaxy NGC 7603. TOHLINE J.E. and OSTERBROCK D.E.
1977A&AS...28..211D 53 132 A Westerbork 1415 MHz survey of background radio sources. II. Optical identifications with deep IIIA-J plates. DE RUITER H.R. and WILLIS A.G.
1977AJ.....82...21B 456 21 Variability of extragalactic sources at 2.7 GHz II. Flux densities of 550 sources and further evidence for variations. BRIDLE A.H., KESTEVEN M.J.L. and BRANDIE G.W.
1977ApJ...212...22M 9 21 A search for hard X-rays from five strong extragalactic radio sources. MUSHOTZKY R.F., BAITY W.A. and PETERSON L.E.
1977ApJ...218...70A 68 T                   1 14 43 Neighborhoods of galaxies. II -
NGC 4151
1977ApJS...33...19A 81 294 A survey of the Seyfert galaxies based on large-scale image-tube plates. ADAMS T.F.
1977MNRAS.178p..23P 68 T                   1 1 ~ High energy X-ray observations of
NGC 4151 with a balloon-borne telescope.
1977ARA&A..15...69W 83 291 Seyfert galaxies. WEEDMAN D.W.
1977AZh....54.1153L 9 41 Optical variability of the nuclei of Seyfert galaxies. LYUTY V.M.
1978AJ.....83..566M 42 29 High frequency radio observations of Seyfert galaxies. McCUTCHEON W.H. and GREGORY P.C.
1978ApJ...221L...7A 69 T                   1 4 33 Hard X-ray spectrum of
NGC 4151.
1978ApJ...221..456C 75 147 Compact radio sources in and near bright galaxies. CONDON J.J. and DRESSEL L.L.
1978ApJ...221..501G 23 80 [FeXI] lambda7892 emission in Seyfert galaxies. GRANDI S.A.
1978ApJ...222..761E 37 36 26.3 MHz radio source survey. III. Correlation with extragalactic X-ray sources. ERICKSON W.C., MATTHEWS T.A. and VINER M.R.
1978ApJ...223...56K 2 43 571 Spectrophotometry of Seyfert 2 galaxies and narrow-line radio galaxies. KOSKI A.T.
1978ApJ...223...74T 7 4 143 UHURU observations of X-ray emission from Seyfert galaxies. TANANBAUM H., PETERS G., FORMAN W., et al.
1978ApJ...226..550R 53 251 The infrared emission of Seyfert galaxies. RIEKE G.H.
1978ApJS...38..357F viz 380 578 The fourth UHURU catalog of X-ray sources. FORMAN W., JONES C., COMINSKY L., et al.
1978MNRAS.182..489C viz 119 287 The Ariel V SSI catalogue of high galactic latitude (|b|>10) X-ray sources. COOKE B.A., RICKETTS M.J., MACCACARO T., et al.
1978MNRAS.183..129E 3 15 246 Seyfert galaxies as X-ray sources. ELVIS M., MACCACARO T., WILSON A.S., et al.
1978MNRAS.183..479P 1 7 60 Spectrophotometry of three radio galaxies. PENSTON M.V. and FOSBURY R.A.E.
1978LicOB.774....1O 21 0 Optical emission-line spectra of Seyfert galaxies and radio galaxies. OSTERBROCK D.E.
1978LicOB.775....1O 9 3 Physical state of the emission-line region. OSTERBROCK D.E.
1978IAUS...77..274D 6 4 Distributed HI in small groups of galaxies. DAVIES R.D.
1979A&A....77...86A 63 11 A Westerbork 1415 MHz survey of radio sources. ARP H.C., DE RUITER H.R. and WILLIS A.G.
1979A&A....78...46V 47 40 The luminosity function of Seyfert 1 galaxy nuclei and BL Lac objetcs, and the X-ray background. VERON P.
1979AJ.....84.1253U 1 6 31 BL Lacertae objects: the case for synchronous optical-radio outbursts in OJ 287. USHER P.D.
1979ApJ...232..649B 1 28 149 Galaxies and gamma-ray astronomy. BIGNAMI G.F., FICHTEL C.E., HARTMAN R.C., et al.
1979ApJS...39..573M 142 77 The MIT/OSO 7 catalog of X-ray sources : intensities, spectra and long-term variability. MARKERT T.H., WINKLER P.F., LAIRD F.N., et al.
1979ApJS...40..657M 176 160 New hard X-ray sources observed with HEAO A-2. MARSHALL F.E., BOLDT E.A., HOLT S.S., et al.
1979ApJS...41..327A 467 26 A catalog of X-ray sources. AMNUEL P.R., GUSEINOV O.H. and RAKHAMINOV S.Y.
1979MNRAS.189p..45P 68 T                   1 1 ~ Far ultraviolet line profiles in the Seyfert galaxy
NGC 4151.
1979LicOB.840....1O 5 0 Ionized gas and dust in active galactic nuclei. OSTERBROCK D.E.
1980A&A....81..185B 25 3 Measurements of weak X-ray sources by ANS. BRINKMAN A.C., DEN BOGGENDE A.J.F., HEISE J., et al.
1980A&A....83..190C 2 8 83 Formation of permitted lines in the spectrum of type 1 Seyfert galaxies and quasars. II. Fe II lines and the low excitation region. COLLIN-SOUFFRIN S., DUMONT S., HEIDMANN N., et al.
1980AJ.....85...89K 58 24 Optical redshifts of 59 galaxies. KELTON P.W.
1980AJ.....85..198K 90 139 Inclination effects on the recognition of Seyfert galaxies. KEEL W.C.
1980ApJ...237L..65B 7 2 71 International Ultraviolet Explorer observations of M 87. BERTOLA F., CAPACCIOLI M., HOLM A.V., et al.
1980ApJ...238...10G 19 86 OI lambda 8446 emission in Seyfert 1 galaxies. GRANDI S.A.
1980ApJ...242...14W 19 43 Lyman alpha fluxes of Seyfert galaxies and low-redshift quasars. WU C.C., BOGGESS A. and GULL T.R.
1980ApJ...242..492K 52 215 X-ray observations of Seyfert galaxies with the Einstein Observatory. KRISS G.A., CANIZARES C.R. and RICKER G.R.
1980MNRAS.193..189F 8 25 1028 Formation and rotation of disc galaxies with haloes. FALL S.M. and EFSTATHIOU G.
1980MNRAS.193..549B 2 3 44 The variability of 3C 390.3. BARR P., POLLARD G., SANFORD P.W., et al.
1980LicOB.862....1S 69 T                   1 1 0 The spectrum and polarization of the nucleus of
NGC 4151.
1980PASAu...4....9D 19 0 International Ultraviolet Explorer and the interstellar medium. DOPITA M.A.
1980IUE80......737W 11 ~ IUE observations of Seyfert galaxies. WU C.C., BOGGESS A. and GULL T.R.
1981A&A....94..234P 8 29 High-energy X-ray observations of extragalactic objects. PIETSCH W., REPPIN C., TRUMPER J., et al.
1981A&A...100...12V 38 64 On the width and profile of nulear emission lines in galaxies. VERON M.P.
1981AJ.....86.1825B 2 32 450 21-cm line studies of spiral galaxies. II. The distribution and kinematics of neutral hydrogen in spiral galaxies of various morphological types. BOSMA A.
1981ApJ...243L..61P 4 13 The asymmetric forbidden lines in the spectrum of the QSO PG 1351+640. PETERSON B.M., FOLTZ C.B. and BYARD P.L.
1981ApJ...245..406W 2 7 80 X-ray heating and ionization of broad-line emission regions in QSOs and active galaxies. WEISHEIT J.C., SHIELDS G.A. and TARTER C.B.
1981ApJ...245..818C 2 4 49 Infrared spectrophotometry of three Seyfert galaxies and 3C 273. CUTRI R.M., AITKEN D.K., JONES B., et al.
1981ApJ...246...13A 2 5 Gravitational redshifts in Seyfert 1 galaxies. ANDERSON K.S.
1981ApJ...247L..63P 87 T                   1 1 91 Detection of a soft gamma-ray emission from the region of
NGC 4151.
1981ApJ...247..403H 1 36 333 Emission-line profiles and kinematics of the narrow-line region in Seyfert and radio galaxies. HECKMAN T.M., MILEY G.K., VAN BREUGEL W.J.M., et al.
1981ApJ...247..443B 10 44 CO emission from Seyfert galaxies. BIEGING J.H., BLITZ L., LADA C.J., et al.
1981ApJ...247..458B 73 T                   1 1 23 Concurrent radio, infrared, optical, and X-ray observations of the nucleus of the Seyfert galaxy
NGC 4151.
BEALL J.H., ROSE W.K., DENNIS B.R., et al.
1981ApJ...250..469S 147 127 A spectrophotometric classification of low-redshift quasars and active galactic nuclei. STEINER J.E.
1981ApJ...250..508F 1 4 23 Temporal variations of the Balmer line profiles in the spectrum of the Seyfert 1 galaxy Arakelian 120. FOLTZ C.B., PETERSON B.M., CAPRIOTTI E.R., et al.
1981MNRAS.194..987M 36 148 The variability of X-ray emission from active galaxies. MARSHALL N., WARWICK R.S. and POUNDS K.A.
1981MNRAS.195..241C 71 T                   1 1 11 The hard X-ray spectrum of
NGC 4151.
COE M.J., BASSANI L., ENGEL A.R., et al.
1981MNRAS.196..857P 90 T                   1 1 107 Detailed observations of
NGC 4151 with the IUE. I. Low dispersion data up to 1979 January.
1981MNRAS.197..451G 3 2 32 Numerical solution of time dependent Compton scattering problems by means of an integral equation. GUILBERT P.W.
1981MNRAS.197..893M 140 138 The Ariel V (3A) catalogue of X-ray sources. II. Sources at high galactic latitude (|b| > 10 deg). McHARDY I.M., LAWRENCE A., PYE J.P., et al.
1981PASP...93....5B 13 47 3184 Classification parameters for the emission-line spectra of extragalactic objects. BALDWIN J.A., PHILLIPS M. and TERLEVICH R.
1982AJ.....87.1438G 3 6 A new intermediate Seyfert galaxy: X-ray, optical, and radio properties. GHIGO F.D., WYCKOFF S., WARDLE J.F.C., et al.
1982ApJ...252..102C viz 2 37 476 Strong radio sources in bright spiral galaxies. II. Rapid star formation and galaxy-galaxy interactions. CONDON J.J., CONDON M.A., GISLER G., et al.
1982ApJ...253..485P 1 88 588 A complete X-ray sample of the high-latitude (b)-20 sky from HEAO 1 A-2: log N-log S and luminosity functions. PICCINOTTI G., MUSHOTZKY R.F., BOLDT E.A., et al.
1982ApJ...256...54A 35 35 Characteristics of companion galaxies. ARP H.
1982ApJ...256...75L 18 84 Infrared optical, and ultraviolet observations of hydrogen line emission from Seyfert galaxies. LACY J.H., SOIFER B.T., NEUGEBAUER G., et al.
1982ApJ...256..410L 4 16 385 Obscuration and the various kinds of Seyfert galaxies. LAWRENCE A. and ELVIS M.
1982ApJ...256..427F 84 99 Emission-line widths in galactic nuclei. FELDMAN F.R., WEEDMAN D.W., BALZANO V.A., et al.
1982ApJ...257...47M 3 5 92 X-ray observations with the Einstein Observatory of emission-line galaxies. MACCACARO T., PEROLA G.C. and ELVIS M.
1982ApJ...259...96U 25 83 An investigation of the star-burst model for radio emission from Seyfert galaxies. ULVESTAD J.S.
1982ApJ...262...61J 70 T                   1 6 47 Radio jets in
NGC 4151.
1982ApJ...263..576W 81 T                   1 3 181 Radio structures of Seyfert galaxies. IV. Jets (?) in NGC 1068, and
NGC 4151.
1982ApJ...263..677G 10 44 Gamma-ray emission from the galactic anticenter at MeV energies. GRASER U. and SCHOENFELDER V.
1982ApJS...49..469P 103 70 Variability of the emission-line spectra and optical continua of Seyfert galaxies. I. PETERSON B.M., FOLTZ C.B., BYARD P.L., et al.
1982MNRAS.199..229B 76 T                   1 2 77 High-resolution 1666-MHz observations of the nucleus of
NGC 4151.
1982MNRAS.200..293P 87 T                   1 1 90 Detailed observations of
NGC 4151 with the IUE -II. Variability of the continuum from 1978 february to 1980 may, including X-ray and optical observations.
1982MNRAS.201.1021E 323 158 Flocculent and grand design spiral structure in field, binary and group galaxies. ELMEGREEN D.M. and ELMEGREEN B.G.
1982ATsir1207....1D 3 3 UBVR observations CH Cyg. DOROSHENKO V.T. and MAGNITSKY A.K.
1982ATsir1221....1K 17 0 Correlation of radioluminosity of spiral arms with existence of global patterns in galaxies. KORCHAGIN V.I.
1982ATsir1228....1O 69 T                   1 1 2 On the possible variability of the coronal line of in the spectrum of the Seyfert galaxy
NGC 4151.
1982Ap&SS..82....3A 471 20 Second catalogue of X-ray sources. AMNUEL P.R., GUSEINOV O.H. and RAKHAMINOV S.Y.
1982IUE82.......46O 42 ~ The impact of IUE observations on our knowledge. About galaxies and quasars. OKE J.B.
1982IUE82......160W 15 ~ A comparison of the emission line properties between quasars and type1 Seyfert galaxies. WU C.C., BOGGESS A. and GULL T.R.
1982IUE82......169B 69 T                   1 1 0 Ultraviolet variations of
NGC 4151.
1982IUE3r.......75L 1 ~ Extragalactic ultraviolet astronomy and cosmology. LONGAIR M.S.
1982IUE3r......533B 69 T                   1 ~ Results from the
NGC 4151 ultraviolet laboratory.
1982IUE3r......537C 3 ~ Monitoring the UV spectrum of the Seyfert I galaxy NGC 4593. II: short term variability. CLAVEL J.
1982IUE3r......543E 2 ~ NGC 7469, a Seyfert 1 galaxy observed with the IUE. ELVIUS A., WESTIN B.A.M. and LIND J.
1982IUE3r......549B 8 ~ Line profiles and continuum radiation in Seyfert galaxies. BOISSON C. and ULRICH M.H.
1983A&A...118....4B 1 28 209 H I line studies of galaxies. II. The 21-cm-width as an extragalactic distance indicator. BOTTINELLI L., GOUGUENHEIM L., PATUREL G., et al.
1983A&A...119...69V 25 36 The composite UV emission spectrum of Seyfert 1 galaxies. VERON-CETTY M.-P., VERON P. and TARENGHI M.
1983A&A...122...83B 2 7 An interpretation of the low energy gamma-ray emission from Seyfert nuclei in terms of annihilation radiation from a hot plasma. BASSANI L. and DEAN A.J.
1983A&A...125...52B 54 80 Super-Eddington luminosity characteristics of active galactic nuclei. BASSANI L., DEAN A.J. and SEMBAY S.
1983A&A...127...15C 63 51 Composite models for the narrow emission line region of active galactic nuclei. I. The infalling filament. CONTINI M. and ALDROVANDI S.M.V.
1983AJ.....88.1077H 43 78 Optical spectroscopy of the radio-cloud nuclei of spiral galaxies: starbursts or monsters ? HECKMAN T.M., VAN BREUGEL W., MILEY G.K., et al.
1983ApJ...264L...1M 39 70 The reddening of active galactic nuclei. MALKAN M.A.
1983ApJ...264...92T 36 90 The absence of rapid X-ray variability in active galaxies. TENNANT A.F. and MUSHOTZKY R.F.
1983ApJ...265...92M 1 8 69 IUE observations of Markarian 3 and 6 : reddening and the nonstellar continuum. MALKAN M.A. and OKE J.B.
1983ApJ...266...28W 1 29 157 Prominent ultraviolet emission lines from type 1 Seyfert galaxies. WU C.C., BOGGESS A. and GULL T.R.
1983ApJ...266..470M 96 65 The polarization of Seyfert galaxies. MARTIN P.G., THOMPSON I.B., MAZA J., et al.
1983ApJ...266..479W 9 3 145 Toward explaining Seyfert galaxies. WEEDMAN D.W.
1983ApJ...267..515U 5 3 79 The ultraviolet spectrum of the Seyfert galaxies NGC 3516 and NGC 5548. ULRICH M.H. and BOISSON C.
1983ApJ...268..102H 79 T                   1 1 54 Spatially extended narrow emission-line gas in the Seyfert galaxy
NGC 4151.
1983ApJ...268..105E 72 T                   1 4 74 Extended soft X-ray emission from
NGC 4151.
1983ApJ...269..352S viz 1 125 1211 Quasar evolution derived from the Palomar bright quasar survey and other complete quasar surveys. SCHMIDT M. and GREEN R.F.
1983ApJ...269..423R 4 11 248 2-165 keV observations of active galaxies and the diffuse background. ROTHSCHILD R.E., MUSHOTZKY R.F., BAITY W.A., et al.
1983ApJ...269..438M 3 10 Morphology of optical forms of N galaxies. MORGAN W.W. and DREISER R.D.
1983ApJ...271L...7M 12 2 124 Evidence for a highly polarized continuum in the nucleus of NGC 1068. MILLER J.S. and ANTONUCCI R.J.
1983ApJ...271..564A 94 T                   1 1 128 Time development of the emission lines and continuum of
NGC 4151.
1983ApJ...272L..49S 1 5 38 X-ray emission from pre-main-sequence stars, molecular clouds and star formation. SILK J. and NORMAN C.
1983ApJ...273L..31O 13 7 Upper limits to O III lambda 5592 and lambda 4594 in Seyfert galaxies. OSTERBROCK D.E., DAHARI O. and EKBERG J.O.
1983ApJ...274..113C 2 3 33 Broad-line kinematic models and the forbidden line emission in quasars and Seyfert galaxies. CARROLL T.J. and KWAN J.
1983ApJ...274..571S 4 13 Far-infrared observations of the type 1 Seyfert galaxy NGC 4051. SMITH H.A., LADA C.J., THRONSON H.A.Jr, et al.
1983ApJ...275..477M 2 11 113 The stellar and nonstellar continua of Seyfert galaxies: nonthermal emission in the near-infrared. MALKAN M.A. and FILIPPENKO A.V.
1983ApJS...51..149B 443 32 Inner ring structures in galaxies as distance indicators. III. Distances to 453 spiral and lenticular galaxies. BUTA R. and DE VAUCOULEURS G.
1983ApJS...52...23B 749 4 A catalog of hierarchical subclustering in the Turner-Gott groups. BHAVSAR S.P. and PIGGOTT R.G.
1983ApJS...52...89H viz 2405 803 A survey of galaxy redshifts. IV. The data. HUCHRA J., DAVIS M., LATHAM D., et al.
1983ApJS...52..229K 100 222 An Half survey of the nuclei of a complete sample of spiral galaxies. KEEL W.C.
1983ApJS...52..341M 51 95 A near-infrared and optical study of X-Ray selected Seyfert Galaxies.I. Observations. McALARY C.W., McLAREN R.A., McGONEGAL R.J., et al.
1983ApJS...53..459C 47 115 Strong radio sources in bright spiral galaxies. III. Disk emission. CONDON J.J.
1983MNRAS.202...85C 2 2 29 The Seyfert 1 galaxy NGC 4593 - I. Variability of the UV spectrum and physical conditions in the broad line emitting region. CLAVEL J., JOLY M., COLLIN-SOUFFRIN S., et al.
1983MNRAS.202..453B 5 2 50 The ultraviolet variability of NGC 3783. BARR P., WILLIS A.J. and WILSON R.
1983MNRAS.204p...1L 3 ~ Predicted source counts for normal and active galaxies at 10-100 Mu.m LOCK T.D. and ROWAN-ROBINSON M.
1983MNRAS.204p..13C 1 ~ Continuum reddening of Seyfert 1 nuclei. CHENG F.Z., DANESE L. and DE ZOTTI G.
1983MNRAS.204..783P 69 T                   1 21 41 VLBI observations of
NGC 4151, MK 231 and other galaxies with broad emission line nuclei.
1983MNRAS.205.1279M 9 8 The - spectra of active galactic nuclei. MIHALSZKI J.S. and FERLAND G.J.
1983PASP...95..700C 8 3 Optical and ultraviolet high-resolution spectroscopy of galaxies and QSOs. CHAFFEE F.H.Jr
1983ARA&A..21..177S 24 47 Dust in galaxies. STEIN W.A. and SOIFER B.T.
1983Afz....19...17P 69 T                   1 1 1 Gas in the nucleus of the Seyfert galaxy
NGC 4151.
1983Afz....19...55K 1 3 Relative intensities of the hydrogen lines in the spectra of quasars and Seyfert nuclei. KATYSHEVA N.A.
1983Afz....19..655A 129 2 Observations of galaxies of Byurakan classification at a frequency of 102 MHz. ARTYUKH V.S. and HOVANISSIAN M.A.
1983ATsir1300....1O 70 T                   1 1 5 The brightness of the
NGC 4151 between 1906 and 1911.
1983AZh....60..441D 69 T                   1 1 1 On the possible nature of the nonthermal emission of the nucleus of
NGC 4151.
1983AZh....60..448A 22 24 Geometry, gas-cloud kinematics, line profiles, and rapid profile variability in active nuclei and quasars. ANTOKHIN I.I. and BOCHKAREV N.G.
1983AZh....60.1081Z 3 0 On the interpretation of gamma-ray line radiation of the nuclei of active galaxies. ZENTSOVA A.S.
1983ApL....23..225P 71 T                   1 1 13 A search for periodicities in the light variations of the Seyfert galaxy
NGC 4151.
1983Ap&SS..91...35C 13 4 A study of the long-term variability in radio emission of active galaxies. COE M.J., BOWRING S.R., HALL C.J., et al.
1983Ap&SS..93..135B 2 0 Positron annihilation radiation from Seyfert nuclei and the cosmic diffuse Gamma-ray background. BASSANI L. and DEAN A.J.
1983BAAS...15..935S 69 T                   1 1 0 The CIV lam 1550 profile in the IUE spectrum of
NGC 4151. Evidence for an expanding shell geometry.
1983BAAS...15..976A 1 0 Optical polarization of Seyfert galaxies. ANTONUCCI R.R.J.
1983ChA&A...7..195L 48 ~ The nuclear luminosity and mass of type I Seyfert galaxies. LIU R.-L.
1983IAUC.3813....0S 69 T                   1 1 ~
NGC 4151.
1983MmSAI..54..643G 8 0 Some current QSO research at ROE. GILMORE G.
1983MmSAI..54..675C 74 1 Extinction in active galactic nuclei. CHENG F.Z., DANESE L. and DE ZOTTI G.
1983MitAG..60..445S 1 4 Coude-Spektren von Seyfertgalaxien. SCHULZ H.
1983Natur.303..158A 1 11 95 Optical polarization position angle versus radio structure axis in Seyfert galaxies. ANTONUCCI R.R.J.
1983PhR....97..175T 10 2 Gamma-ray astrophysics. TROMBKA J.I. and FICHTEL C.E.
1983PAZh....9...86A 16 5 102 MHz observations of Seyfert galaxies. ARTYUKH V.S. and VETUKHNOVSKAYA Y.N.
1983SSRv...36...51S 3 0 Gamma rays and neutrinos as complementary probes in astrophysics. SHAPIRO M.M. and SILBERBERG R.
1983TrSht..55...64D 14 1 Spectral observations of Seyfert galaxies. DOROSHENKO V.T. and TEREBIZH V.Y.
1983IAUS..103..473O 4 13 Planetary nebulae and Seyfert galaxies - Similarities and differences. OSTERBROCK D.E.
1984A&A...131...87C 25 34 The 1200-3200 A spectra of Seyfert I galaxies : MK 304, NGC 7603, MCG8-11-11, ESO 12-G 21 and NGC 1566. CLAVEL J. and JOLY M.
1984A&A...131..291N 2 3 Surface photometry and distance of NGC 4156 from high-resolution optical observations. NIETO J.-L. and TIENNOT L.
1984A&A...134..199V 69 14 Magnetic field structure associated with the large "Monogem" X-ray ring. VALLEE J.P., BROTEN N.W. and MacLEOD J.M.
1984A&A...135..341S 4 5 87 Confrontation of a sample of Seyfert 2 galaxies with photoionized models. STASINSKA G.
1984A&A...140..325D 39 49 Ultraviolet luminosities and colors of spiral and irregular galaxies. The present-day star formation rate. DONAS J. and DEHARVENG J.M.
1984A&A...141L...1H 51 122 Strong H2O maser emission from the peculiar galaxy NGC 3079. HENKEL C., GUSTEN R., DOWNES D., et al.
1984A&AS...56..381B 797 135 HI line studies of galaxies. III. Distance moduli of 822 disk galaxies. BOTTINELLI L., GOUGUENHEIM L., PATUREL G., et al.
1984A&AS...56..415B 90 12 A catalogue of X-ray spectra observed with the Ariel V proportional counter (Experiment C). BELL BURNELL S.J. and CHIAPPETTI L.
1984AJ.....89..966D 104 219 Companions of Seyfert galaxies: a statistical survey. DAHARI O.
1984ApJ...276..466U 14 29 Variability of the ultraviolet spectrum of BL Lacertae objects. ULRICH M.H., HACKNEY K.R.H., HACKNEY R.L., et al.
1984ApJ...277..495K 46 17 Observational tests of X-ray heating in the broad-line region of quasars and Seyfert galaxies. KRISS G.A.
1984ApJ...278..558M 4 8 144 The line continuum luminosity ratio in active galactic nuclei: or, on the "Baldwin effect". MUSHOTZKY R. and FERLAND G.J.
1984ApJ...279..555B 83 T                   1 1 57 Observations of
NGC 4151 at 2 keV to 2 MeV from HEAO 1.
1984ApJ...279..563B 1 4 17 Observations of infrared hydrogen recombination line emission from external galaxies. BECK S.C., BECKWITH S. and GATLEY I.
1984ApJ...281..525H 88 94 The kinematics of the narrow-line region in active galaxies and quasars. III. Correlations with the broad-line region and radio emission. HECKMAN T.M., MILEY G.K. and GREEN R.F.
1984ApJ...282..291M 1 3 15 On the detection of positrons via the optical lines of positronium. McCLINTOCK J.E.
1984ApJ...284...23L 11 12 He I lambda 10830 emission in Seyfert galaxies and QSOs. LEVAN P.D., PUETTER R.C., SMITH H.E., et al.
1984ApJ...284...54U 1 3 16 Hard X-ray variability of three active galactic nuclei. UBERTINI P., BAZZANO A., LA PADULA C., et al.
1984ApJ...285...69S 70 T                   1 1 6 The variable component of the
NGC 4151 IUE spectrum : evidence foran expanding spherical emission shell.
1984ApJ...286..171D 3 13 164 An analysis of the narrow-line profiles in high ionization Seyfert galaxies. DE ROBERTIS M.M. and OSTERBROCK D.E.
1984ApJ...287....1D 605 74 The dependence on distance and redshift of the velocity vectors of the sun, the galaxy, and the Local Group with respect to different extragalactic frames of reference. DE VAUCOULEURS G. and PETERS W.L.
1984ApJS...54..581L 73 150 The HEAO1 A-4 catalog of high-energy X-ray sources. LEVINE A.M., LANG F.L., LEWIN W.H.G., et al.
1984ApJS...56..507W viz 900 352 The HEAO A-1 X-ray source catalog. WOOD K.S., MEEKINS J.F., YENTIS D.J., et al.
1984MNRAS.206..221U 107 T                   1 1 152 Detailed observations of
NGC 4151 with the IUE - III. Variability of the strong emission lines from 1978 February to 1980 May.
1984MNRAS.208..347P 32 104 The Fe 9+ region in active galactic nuclei. PENSTON M.V., FOSBURY R.A.E., BOKSENBERG A., et al.
1984MNRAS.208..799C 32 10 The ratio of X-ray-to-optical luminosity for active galactic nuclei. CHENG F.Z., DANESE L., DE ZOTTI G., et al.
1984MNRAS.209..697L 37 68 Optical monitoring of radio sources. LLOYD C.
1984MNRAS.211...31G 76 T                   1 1 31 Photographic B-band monitoring of
NGC 4151.
1984MNRAS.211p..33P 2 ~ An evolutionary link between Seyfert I and II galaxies. PENSTON M.V. and PEREZ E.
1984PASP...96..143W 1 6 40 JHKL photometry of the nuclei of normal spiral galaxies. WILLNER S.P., WARD M., LONGMORE A., et al.
1984PASP...96..692J 69 T                   1 2 6 Dust in the nuclei of the Seyfert galaxies Markarian 231 and
NGC 4151.
1984ARA&A..22..291R 11 30 Astronomical Fourier transform spectroscopy revisited. RIDGWAY S.T. and BRAULT J.W.
1984ARA&A..22..319B 191 673 Extragalactic radio jets. BRIDLE A.H. and PERLEY R.A.
1984Afz....20....7P 11 6 On the origin of tightly wound spiral features in galactic nuclei. PISMIS P. and MORENO E.
1984Afz....20..223A 4 3 Relativistic electron-photon showers in the nuclei of active galaxies and quasars. AHARONIAN F.A., VARDANIAN V.V. and KIRILLOV-UGRYUMOV V.G.
1984Afz....21....5L 69 T                   1 1 Spectrophotometry of the Seyfert galaxy
NGC 4151 I. Search and identification of faint lines.
1984ATsir1338....1Z 36 2 Mass to luminosity ratio for Seyfert galaxies. ZASOV A.V.
1984AZh....61...10D 19 13 Parameters of optical variability of active galaxies' nuclei. DIBAJ E.A. and LYUTYJ V.M.
1984AZh....61..417D 97 11 An empirical model of an active galaxy's nucleus. I.The catalog. DIBAJ E.A.
1984BAAS...16Q.458F 9 0 Vibrationally excited H 2 emission at 2 microns in Seyfert and star-burst galactic nuclei. FISCHER J., SIMON M., SMITH H., et al.
1984BAAS...16..459D 69 T                   1 1 0 High resolution spectra of
NGC 4151.
1984BAAS...16..747W 2 2 UV spectro-interferometry from the shuttle bay. WOOLF N., SYNNOTT S. and BRECKINRIDGE J.
1984BAAS...16..988S 3 0 Evidence for supermassive stars in three Seyfert-1 nuclei from variability in IUE spectra. STONER R.E. and PTAK R.L.
1984JBAA...94...71. 1 0 Black hole in 'mini-quasar'. :Anonymous
1984Msngr..35...26V 69 T                   1 1 0 The ultraviolet absorption spectrum of
NGC 4151.
1984MitAG..62..339S 69 T                   1 1 0 Gaskinematik in der aktiven Galaxie
NGC 4151.
1984Natur.309...17G 1 2 Black holes, accretion discs and Seyfert galaxies. GASKELL C.M.
1984PAZh...10..574B 69 T                   1 1 2 Search for one-day variability of the broad components of emission line profile for the
NGC 4151 Seyfert galaxy nucleus.
1984PAZh...10..803L 71 T                   2 1 8
NGC 4151 : Sy2 in a deep photometric minimum.
1984PAZh...10..896S 1 1 4 The variability of emission-line spectra and the spatial structure ofbroad-line regions of Seyfert galaxies. SHEVCHENKO I.I.
1984S&T....68..118P 2 5 Simulating spiral galaxies. PERATT A.L.
1984S&W....23....8K 2 0 Massenbestimmung von schwarzen Lochern in Quasaren. KLAAS U.
1984IUE84.......42M 14 ~ Ultraviolet and X-ray observations of active galactic nuclei : constraints on models of the broad emission line region. MUSHOTZKY R.
1984IUE84......127B 69 T                   1 1 ~ Structure of the Seyfert broad line region and absorption region of
NGC 4151.
1985A&A...143...29S 73 T                   1 1 14 Optical spectroscopy of ther oval distortion in
NGC 4151.
1985A&A...143..327M 70 T                   1 1 3 Infrared emission from dust in the Seyfert galaxy
NGC 4151.
1985A&A...147....1D 111 89 Orientation effects and the reddening of the lines and continua of Seyfert galaxies. DE ZOTTI G. and GASKELL C.M.
1985A&A...147...22P 70 T                   1 1 0 Non-thermal models of the X-ray emission in Seyfert galaxies : the case of
NGC 4151.
1985A&A...150..317V 71 T                   1 1 6 The ultraviolet absorption spectrum of
NGC 4151.
1985A&A...152L...9K 12 11 Detection of distant extragalactic OH in absorption. KAZES I. and DICKEY J.M.
1985A&AS...59...43B 414 52 HI line studies of galaxies. IV. Distance moduli of 468 disk galaxies. BOTTINELLI L., GOUGUENHEIM L., PATUREL G., et al.
1985A&AS...60..261G 558 129 Morphology of spiral galaxies. I. General properties. GROSBOL P.J.
1985A&AS...61....1K 183 6 Spectral index distributions and optical identifications for a sample of sources selected at 408 MHz. KULKARNI V.K. and MANTOVANI F.
1985AJ.....90..197B 1 8 50 Footprints of an active galactic nucleus: the nuclear zone of NGC 1068. BALICK B. and HECKMAN T.
1985AJ.....90..441S 10 35 CCD photometry of Seyfert galaxy NGC 1068. SCHILD R., TRESCH-FIENBERG R. and HUCHRA J.
1985AJ.....90..577K 4 8 A radio-quiet emission-line jet in the type 2 Seyfert galaxy NGC 7682. KEEL W.C.
1985AJ.....90.1772D 121 88 Companions of Seyfert galaxies. II. DAHARI O.
1985ApJ...288..438E 1 45 266 Properties of barred spiral galaxies. ELMEGREEN B.G. and ELMEGREEN D.M.
1985ApJ...289...67D 27 80 Observations of the Hbeta region in some broad-line objects. DE ROBERTIS M.
1985ApJ...290..130H 2 4 36 X-ray spectrum and variability of 3C 120. HALPERN J.P.
1985ApJ...292L..41S 1 13 84 The collapse of dense star clusters to supermassive black holes: the origin of quasars and AGNs. SHAPIRO S.L. and TEUKOLSKY S.A.
1985ApJ...292..164P 6 4 96 The variability of the spectrum of Arakelian 120. II. Evidence for a small broad line emitting region. PETERSON B.M., MEYERS K.A., CAPRIOTTI E.R., et al.
1985ApJ...294..106V 31 96 Seyfert galaxy narrow-line regions. I. Observations of O III lambda 5007. VRTILEK J.M. and CARLETON N.P.
1985ApJ...294..121V 19 37 Seyfert galaxy narrow-line regions. II. Kinematic models. VRTILEK J.M.
1985ApJ...297..611S 3 6 Evidence for supermassive stars in three Seyfert galaxy nuclei from IUE spectra. STONER R. and PTAK R.
1985ApJ...297..621A 194 2 1554 Spectropolarimetry and the nature of NGC 1068. ANTONUCCI R.R.J. and MILLER J.S.
1985ApJ...297..633S 2 6 54 Observation of soft X-ray spectra from a Seyfert 1 and a narrow emission-line galaxy. SINGH K.P., GARMIRE G.P. and NOUSEK J.
1985ApJ...298L..31S 1 39 227 CO detections and IRAS observations of bright radio spiral galaxies at cz<9000 kilometers per second. SANDERS D.B. and MIRABEL I.F.
1985ApJ...299..865K 71 T                   1 1 6 High-resolution observations of H alpha in
NGC 4151.
1985ApJS...57..261V viz 281 49 Catalog of CO observations of galaxies. VERTER F.
1985ApJS...57..503F 1 76 321 A search for "dwarf" Seyfert 1 nuclei. I. The initial data and results. FILIPPENKO A.V. and SARGENT W.L.W.
1985MNRAS.212..553S 2 2 18 Soft gamma-ray production in active galactic nuclei. SIKORA M. and ZBYSZEWSKA M.
1985MNRAS.212..857C 88 84 The optical luminosity function of Seyfert 1 nuclei. CHENG F.Z., DANESE L., DE ZOTTI G., et al.
1985MNRAS.213..777A 1 14 83 8-13 mu-m spectrophotometry of galaxies - IV. Six more Seyferts and 3C 345. AITKEN D.K. and ROCHE P.F.
1985MNRAS.214..321C 2 1 9 A gravitational origin for the broad emission line profiles in quasars and Seyfert galaxies: time variation. CARROLL T.J.
1985MNRAS.215....1B 90 T                   1 1 83 Detailed observations of
NGC 4151 with the IUE - IV. Absorption line spectrum and variability.
1985MNRAS.216..817W 23 87 The narrow line region of active galaxies - III. Profile comparisons. WHITTLE M.
1985Afz....22..449H 5 6 On the separation of components of radiation of variable extragalactic sources. HAGEN-THORN V.A.
1985ATsir1387....1M 12 0 Spectra of galaxies from 2-m telescope of Rojen NAO. MARKOV H.S., ZHEKOV S.A., PETROV G.T., et al.
1985AZh....62..468D 23 2 On the dependence between the luminosities of Seyfert galaxies and those of their active nuclei. DIBAJ E.A. and ZASOV A.V.
1985AZh....62..529S 1 1 5 On the possibility of efficient electron-positron pair production in the vicinity of pulsars and accreting black holes. STERN B.E.
1985AZh....62.1227Z 2 1 The interpretation of the X-ray variability of type 1 Seyfert galaxies and quasars. ZENTSOVA A.S.
1985Ap&SS.109..327Z 1 1 5 Hot intercloud gas in the nuclei of Seyfert galaxies. ZENTSOVA A.S.
1985BAAS...17..829K 3 ~ High resolution spectra of narrow line profiles in Seyfert nuclei. KIELKOPF J.F.
1985BAAS...17..846H 6 0 Detection of nickel in six Seyfert galaxies. HALPERN J.P. and OKE J.B.
1985BAAS...17..869G 1 0 Sizes of continuum and line emitting regions in Seyfert galaxies. GASKELL C.M.
1985BAAS...17..889S 10 0 A minimum rate of change analysis of X-ray variability in active galactic nuclei. SCHWARTZ D.A.
1985IAUC.4036....0P 70 T                   1 1 ~
NGC 4151.
1985IzPul.203...28K 57 0 Astrometry from optical positions of extragalactic radio sources. KUMKOVA I.I.
1985IzKry..72..135P 3 0 The O III line profile and the central gaseous cloud in the nucleus of NGC 1068. PRONIK V.I.
1985Natur.313..747U 85 T                   1 1 63 Narrow and variable lines in the ultraviolet spectrum of the Seyfert galaxy
NGC 4151.
1985Natur.314..144H 37 81 A very bright water vapour maser source in the galaxy NGC 3079. HASCHICK A.D. and BAAN W.A.
1985Natur.315..554W 72 T                   1 1 9 EXOSAT observations of a 2,000-s intensity dip in Seyfert galaxy
NGC 4151.
1985Natur.316..524C 1 2 14 Ultraviolet continuum variability of the quasar 3C 273. COURVOISIER T.J.L. and ULRICH M.H.
1985PAZh...11....3P 270 5 The direction of rotation of the spirals in 109 galaxies. NGC 3786 and NGC 5426 - The galaxies with leading spiral arms in interacting systems. PASHA I.I.
1985PAZh...11...83S 70 T                   1 1 3 The structure of the broad-line region of the galaxy
NGC 4151.
1985PASAu...6..186G 14 1 An australian broad-band satellite for X-ray astronomy. GREENHILL J.G., FENTON K.B., SOOD R.K., et al.
1985SSRv...40..559M 16 18 X-ray timing and spectral observations of active galactic nuclei. McHARDY I.
1985SSRv...40..585P 71 T                   1 1 5 The soft X-ray spectrum of
NGC 4151.
1985SSRv...40..593P 70 T                   1 1 2 Simultaneous EXOSAT-IUE observations of
NGC 4151.
1985S&W....24...66G 70 T                   1 1 0 Extreme spektrale Veranderungen in
NGC 4151.
1986A&A...155L...3K 8 5 VLA observations of three high IR-luminosity IRAS galaxies. KAROJI H., DENNEFELD M. and UKITA N.
1986A&A...161...85B 18 4 Gamma-ray observations and relativistic jets in active galactic nuclei. BASSANI L. and DEAN A.J.
1986A&A...163....1B 97 11 Errors in the 21-cm redshifts of galaxies : a statistical analysis. BAIESI-PILLASTRINI G.C. and PALUMBO G.G.C.
1986AJ.....92..552P 1 5 27 Emission-line variability of three Seyfert galaxies. PETERSON B.M. and GASKELL C.M.
1986ApJ...300..190D 38 44 A survey of neutral hydrogen absorption in the nuclei of active spiral galaxies. DICKEY J.M.
1986ApJ...301...92A 71 0 A proposed method for the determination of the bivariate luminosity function utilizing an incomplete sample with an application to Seyfert galaxies. ARAKELIAN M.A.
1986ApJ...301..105M 11 15 Observations of upper-level hydrogen lines in Seyfert 1 galaxies. McALARY C.W., RIEKE G.H., LEBOFSKY M.J., et al.
1986ApJ...301..753H 6 20 Detection of Ni II lambda 7378 in six Seyfert galaxies. HALPERN J.P. and OKE J.B.
1986ApJ...303...76P 36 14 Active galactic nuclei. I. Central source as a cluster of accreting black holes. PACHOLCZYK A.G. and STOEGER W.R.
1986ApJ...303...87R 3 2 26 X-ray absorption in active galaxies: constraints on the broad-line emitting regions. REICHERT G.A., MUSHOTZKY R.F. and HOLT S.S.
1986ApJ...304..178K 35 1 140 The central engine of quasars and active galactic nuclei: hadronic interactions of shock-accelerated relativistic protons. KAZANAS D. and ELLISON D.C.
1986ApJ...305..175G 21 3 256 Line variations in quasars and Seyfert galaxies. GASKELL C.M. and SPARKE L.S.
1986ApJ...306L..61W 1 24 121 Observational determination of the masses of active galactic nuclei. WANDEL A. and MUSHOTZKY R.F.
1986ApJ...306..508P 117 T K                 1 3 147 New results on the X-ray emission and its correlation with the ultraviolet in
NGC 4151.
1986ApJ...307..478K 1 3 22 Dust in the emission-line gas of the Seyfert 2 galaxy Markarian 3. KRAEMER S.B. and HARRINGTON J.P.
1986ApJ...308...59E 2 29 325 Spectral energy distributions of active galactic nuclei between 0.1 and 100 microns. EDELSON R.A. and MALKAN M.A.
1986ApJ...309...76R 23 34 Extended nonnuclear infrared emission from Seyfert galaxies. RODRIGUEZ ESPINOSA J.M., RUDY R.J. and JONES B.
1986ApJ...310..820L 16 54 Shocked molecular hydrogen and jets in star-forming clouds. II. LANE A.P. and BALLY J.
1986ApJ...311L...7F 4 7 116 Bubbles and braided jets in galaxies with compact radio nuclei. FORD H.C., DAHARI O., JACOBY G.H., et al.
1986ApJ...311..135C 1 6 37 Variability of Markarian 1018 : Seyfert 1.9 to Seyfert 1. COHEN R.D., RUDY R.J., PUETTER R.C., et al.
1986ApJ...311..142B 21 26 CO emission from Seyfert galaxies : further observations. BLITZ L., MATHIEU R.D. and BALLY J.
1986ApJ...311..617W 1 7 37 The behavior of the C IV emission line in active galactic nuclei. WAMSTEKER W. and COLINA L.
1986ApJ...311..623B 108 T K                 1 1 14 A broad-band contemporaneous study of the Seyfert galaxy
NGC 4151.
1986MNRAS.218..457F 7 2 61 Some implications of excess soft X-ray emission from Seyfert 1 galaxies. FABIAN A.C., GUILBERT P.W., ARNAUD K.A., et al.
1986MNRAS.218..541M 5 7 IUE observations of the highly luminous Seyfert galaxy ESO 113-IG45 (Fairall 9). MASEGOSA J., MOLES M. and PENSTON M.V.
1986MNRAS.218..685P 84 T                   1 1 56 The soft X-ray spectrum of
NGC 4151.
1986MNRAS.218..711U 17 14 The radio source in the very luminous gamma-ray Seyfert galaxy MCG 8-11-11. ULVESTAD J.S. and WILSON A.S.
1986MNRAS.218..775H 82 T                   1 1 48 The parsec-scale structure of the radio nucleus of
NGC 4151.
1986MNRAS.219..387U 24 71 Compact radio components in Seyfert galaxies. UNGER S.W., PEDLAR A., BOOLER R.V., et al.
1986MNRAS.221..931F 10 2 86 Pair-induced spectral changes and variability in compact X-ray sources. FABIAN A.C., BLANDFORD R.D., GUILBERT P.W., et al.
1986MNRAS.222..549S 6 2 49 Detection of broad ultraviolet Fe II lines in the spectrum of NGC 1068. SNIJDERS M.A.J., NETZER H. and BOKSENBERG A.
1986MNRAS.222..619G 31 2 A relationship between the X-ray luminosity and redshift of extragalactic objects. GIOVANNELLI F. and POLCARO V.F.
1986PASP...98..148E 10 3 Current issues in the X-ray properties of active galactic nuclei. ELVIS M.
1986AcApS...6..111L 50 2 An objective prism survey for emission line galaxies. LIU J.Y., HUANG Y.W. and FENG X.C.
1986ARA&A..24..171O 3 9 131 Emission-line regions of active galaxies and QSOs. OSTERBROCK D.E. and MATHEWS W.G.
1986Afz....24..333A 43 6 Surface brightness distributions in Seyfert galaxies. I. The sample. Results of scanning. AFANAS'EV V.L., DOROSHENKO V.T. and TEREBIZH V.Y.
1986Afz....24..425A 45 2 Surface brightness distributions in Seyfert galaxies. II. Multiaperture photometry. AFANAS'EV V.L., DOROSHENKO V.T. and TEREBIZH V.Y.
1986AZh....63..897L 2 7 The activity of galactic nuclei and the SS 433 phenomenon. LYUTYJ V.M. and CHEREPASHCHUK A.M.
1986AN....307..157V 128 17 Empirical properties of nearby groups of galaxies. VENNIK J.
1986Ap&SS.119..177O 70 T                   1 1 0 Optical light variation of the Seyfert galaxy
NGC 4151.
1986BICDS..31..137O 38 0 Some aspects of the bibliography of astronomical objects. OCHSENBEIN F. and DUBOIS P.
1986BAAS...18..673G 70 T                   1 0 Inflow of broad-line gas within a few light-days of the black hole in NGC
1986BAAS...18..903C 70 T                   1 2 0 Speckle imaging of NGC 1068 and
NGC 4151.
1986IrAJ...17..443B 70 T                   1 5 1 High resolution CCD observations of helium and sulphur emission line profiles in the lambda 1 mu.m region in Seyfert galaxies
NGC 4151, 3516, 5548, 6814.
1986IrAJ...17..487M 4 4 Opportunities for observing on the JKT using the QUB echelle spectrograph with the RGO-CCD camera. McKEITH C.D.
1986IzKry..75..175M 2 1 Seyfert galaxies nuclei spectrum variations as observed on AZT-11 telescope. MERKULOVA N.I.
1986MitAG..65...95P 13 2 Compact radio structure of active galactic nuclei. PORCAS R.W.
1986MitAG..65..111N 3 0 The inner structure of quasars and active galactic nuclei. NETZER H.
1986Natur.320..421B 1 28 153 Limits of X-ray variability in active galactic nuclei. BARR P. and MUSHOTZKY R.F.
1986Obs...106...12W 4 0 The X-ray spectra of active galaxies. WARWICK R.S.
1986PASJ...38..285M 8 1 33 Detection of an intense iron line at 6.4 keV in the X-ray spectrum ofNGC 4151. MATSUOKA M., IKEGAMI T., INOUE H., et al.
1986PPMtO...5..190L 21 0 Analysis of X-ray time variability in active galactic nuclei. LIU R.-L.
1986RMxAA..12...79P 10 4 Kinematics of spiral galaxies; an overwiew. PISMIS P.
1986SoSAO..50...53C 2 0 Synchrocompton reactor and nature of UV and X-ray emission of quasarsand active galactic nuclei. CHARUGIN V.M.
1986SoSAO..50...77B 2 0 Broad line variability as a source of information on gas dynamics in active galactic nuclei. BOCHKARYOV N.G.
1986NIA86......523U 14 ~ Observations of active galactic nuclei with IUE and comparison with X-ray data. ULRICH M.H.
1986NIA86......605S 3 ~ Insights to the nature of the BLR in Seyfert-1 galaxies. STONER R.E. and PTAK R.L.
1986NIA86......633L 70 T                   1 1 ~ The Mg II line profile in the Seyfert galaxy
NGC 4151 : a new outflowing component.
1986NIA86......645C 70 T                   1 1 ~ A detailed study of the CIV1550 line profile and adjacent spectral features in
NGC 4151 from 1978 up to 1983.
1986NIA86......693S 1 ~ UV emission lines in galactic nuclei : predictions from the duelling wind model. SMITH M.D. and RAINE D.J.
1987A&A...171...16B 24 72 Tidal triggering of Seyfert galaxies and quasars : occurrence in multiple systems. BYRD G.G., SUNDELIUS B. and VALTONEN M.
1987A&A...177...11B 1 5 31 Fossil nebulae in the context of active galaxies. I. Time evolution of a single cloud. BINETTE L. and ROBINSON A.
1987A&A...178....7S 76 T                   1 1 24 The core of the narrow line region of
NGC 4151.
1987A&A...182....9P 71 T                   1 2 12 Lines of high excitation in
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1987A&A...186...39C 1 4 22 Extended emission line regions in nearby Seyfert galaxies. II. NGC 4388. COLINA L., FRICKE K.J., KOLLATSCHNY W., et al.
1987A&AS...70..115S 68 4 Ultraviolet properties of normal galaxies. STRYCZYNSKI J.
1987A&AS...70..517H 197 103 The effects of interactions on spiral galaxies. III. A radio continuum survey of galactic nuclei at 1.49 GHz. HUMMEL E., VAN DER HULST J.M., KEEL W.C., et al.
1987AJ.....93.1484M 266 27 A systematic search for long-term variability in a large sample of X-ray sources. MACCACARO T., GARILLI B. and MEREGHETTI S.
1987ApJ...312..555R 242 96 Star formation in Seyfert galaxies. RODRIGUEZ ESPINOSA J.M., RUDY R.J. and JONES B.
1987ApJ...313..164O 1 3 23 The origin of the photoionizing continuum of active galactic nuclei and quasars. O'DELL S.L., SCOTT H.A. and STEIN W.A.
1987ApJ...313..651E 41 127 Broad-band properties of the CfA Seyfert galaxies. I. Radio properties. EDELSON R.A.
1987ApJ...314....3E 607 191 Arm classifications for spiral galaxies. ELMEGREEN D.M. and ELMEGREEN B.G.
1987ApJ...315...74W 1 35 188 The continuum of type I Seyfert galaxies. I. A single form modified by the effects of dust. WARD M., ELVIS M., FABBIANO G., et al.
1987ApJ...316L..63D 2 6 51 Discovery of broad Brackett-alpha emission in Arp 220. DEPOY D.L., BECKLIN E.E. and GEBALLE T.R.
1987ApJ...316..138W 3 5 74 Near-infrared spectra of Seyfert nuclei. I. The reddening problem. WARD M.J., GEBALLE T., SMITH M., et al.
1987ApJ...316..573V 1 8 54 Broad, variable absorption lines in the Seyfert galaxy NGC 3516: probing the structure of the emission-line regions. VOIT G.M., SHULL J.M. and BEGELMAN M.C.
1987ApJ...318L..21B 4 1 19 Photoerosion of nuclei in quasar emission-line regions. BOYD R.N. and FERLAND G.J.
1987ApJ...318..145F 6 22 The ultraviolet and optical emission-line spectrum of III Zw 77. FERLAND G.J. and OSTERBROCK D.E.
1987ApJ...318..568S 8 5 Use of a minimum rate of change formalism to quantify variability of extragalactic X-ray sources. SCHWARTZ D.A.
1987ApJ...318..595C 29 112 The continuum of type 1 Seyfert galaxies. II. Separating thermal and nonthermal components. CARLETON N.P., ELVIS M., FABBIANO G., et al.
1987ApJ...319..403K 1 7 30 Emission-line ratios for O III in gaseous nebulae and a comparison between theory and observation. KEENAN F.P. and AGGARWAL K.M.
1987ApJ...319..643L 1 31 213 Pair production and Compton scattering in compact sources and comparison to observations of active galactic nuclei. LIGHTMAN A.P. and ZDZIARSKI A.A.
1987ApJ...320L...5K 22 2 178 Fe K features as probes of the nuclear reflection region in Seyfert galaxies. KROLIK J.H. and KALLMAN T.R.
1987ApJ...320..667F 15 59 Molecular hydrogen line emission in Seyfert galactic nuclei. FISCHER J., GEBALLE T.R., SMITH H.A., et al.
1987ApJ...321...80B 6 9 On nonthermal models for active galactic nuclei. BAND D.L.
1987ApJ...321..233E 47 125 Broad-band properties of the CfA Seyfert galaxies. II. Infrared to millimeter properties. EDELSON R.A., MALKAN M.A. and RIEKE G.H.
1987ApJ...321..251C 131 T K                 1 1 104 A detailed study of the C IV lambda 1550 line profile and adjacent spectral features in
NGC 4151 from 1978 to 1983.
1987ApJ...323..456M 25 4 406 What heats the hot phase in active nuclei? MATHEWS W.G. and FERLAND G.J.
1987ApJ...323..516E 19 67 Far-infrared variability in active galactic nuclei. EDELSON R.A. and MALKAN M.A.
1987ApJS...65....1G 21 3 257 The accuracy of cross-correlation estimates of quasar emission-line region sizes. GASKELL C.M. and PETERSON B.M.
1987ApJS...65..485C viz 315 245 A 1.49 GHz atlas of spiral galaxies with BT <+12 and delta >-45. CONDON J.J.
1987MNRAS.225..837L 71 T                   1 1 7 The Mg II line profile in the Seyfert galaxy
NGC 4151: a new outflowing component.
1987MNRAS.226p...9T 3 ~ Dramatic X-ray variability in the narrow emission line galaxy NGC 7314. TURNER T.J.
1987MNRAS.226..137S 9 13 A mid-to far-infrared variability study of eight active galactic nuclei. SEMBAY S., HANSON C.G. and COE M.J.
1987MNRAS.227..403S 11 5 234 Non-thermal pair production in compact X-ray sources : first-order Compton cascades in soft radiation fields. SVENSSON R.
1987MNRAS.228..623P 5 15 3C 273 and the power-law myth. PERRY J.J., WARD M.J. and JONES M.
1987MNRAS.228..671U 7 6 169 The extended narrow-line region in radio Seyferts : evidence for a collimated nuclear UV field ? UNGER S.W., PEDLAR A., AXON D.J., et al.
1987AcApS...7..140D 7 0 A hard X-ray telescope HAPI-1 and its observation for Crab pulsar. DAI C.J., WU M., MA Y.Q., et al.
1987AnTok..21..251T viz 579 10 Kiso survey for ultraviolet-excess galaxies. VI. TAKASE B. and MIYAUCHI-ISOBE N.
1987ARA&A..25..187S 2 29 287 The IRAS view of the extragalactic sky. SOIFER B.T., HOUCK J.R. and NEUGEBAUER G.
1987Afz....26..301K 34 1 The trivariate luminosity function of Seyfert type I galaxies. KANDALIAN R.A.
1987Afz....26..335M 149 4 Individual and orbital masses of double galaxies. MINEVA V.A.
1987Afz....26..415H 2 1 On connection between flash and slowly varying components in light curves of Seyfert galaxies. HAGEN-THORN V.A.
1987Afz....27..283R 4 4 The mass-luminosity dependence for active galaxies nuclei. RESHETNIKOV V.P.
1987Afz....27..371A 4 0 On the stability of turbulent synchrotron sources with respect to e+ - e- pair creation. AHARONIAN F.A. and ATOYAN A.M.
1987Afz....27..429B 3 3 3C 120 : connection of optical variability with the superluminal components of milliarcsecond radiostructure. BELOKON E.T.
1987Afz....27..535A 45 18 A generalized statistical criterion to reveal the optical and physical multiple systems - Random and non-random groups of objects. ANOSOVA J.P.
1987AZh....64..225D 3 0 To the problem of broad emission lines in Seyfert galaxies and QSOs. DIBAJ E.A.
1987AZh....64..465L 75 T                   1 1 21 The time - amplitude characteristics of the optical variability of
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1987ApL....26...61H 2 ~ X-ray spectroscopy of AGN with the AXAF "microcalorimeter". HOLT S.S.
1987ApL....26...73B 3 ~ Low energy X-ray transmission grating spectrometer for AXAF. BRINKMAN A.C., VAN ROOIJEN J.J., BLEEKER J.A.M., et al.
1987Ap&SS.136....1Y 57 1 The contribution from active galactic nuclei to the diffuse 1 MeV background. YU K.N.
1987BAAS...19..695V 1 0 High-resolution study of emission-line profiles in active galactic nuclei. VEILLEUX S.
1987BAAS...19Q.718W 6 0 Search for 511 KeV emission from active galaxies and QSO's. WHEATON W.A., LING J.C., MAHONEY W.A., et al.
1987BAAS...19.1017E 1 0 Sub-millimeter break in Seyfert 1 energy distributions. ENGARGIOLA G., HARPER D.A., ELVIS M., et al.
1987ComAp..12...99P 3 4 The central power source in active galaxies. PTAK R. and STONER R.
1987IzKry..77..148K 70 T                   1 2 1 The 160 minutes period in the extragalactic objects : the LMC (RR Lyrstars) and
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1987Msngr..49...10C 3 0 The clouds which form the extended emission line region of NGC 4388. COLINA L.
1987Natur.328..762E 2 1 Models of quasars reappraised. ELVIS M.
1987NewSc.113...58H 3 0 An ultraviolet eye on the sky. HOWARTH I.
1987PAZh...13..268A 4 2 The connection of the radio spectra of scintillating radio sources with the morphological type of active galaxies. ARTYUKH V.S.
1987PASJ...39..457O 9 4 156 Global trapped oscillations of relativistic accretion disks. OKAZAKI A.T., KATO S. and FUKUE J.
1987QJRAS..28..481B 18 11 Isaac Newton telescope observations 1984-6. BENN C.R. and MARTIN R.
1987RMxAA..14..108P 16 4 Comments on activity in galactic nuclei at all scales of energetics. PISMIS P.
1987IAUS..121..109O 10 10 Seyfert galaxies: classification, morphology, observations at optical wavelengths, environmental factors. OSTERBROCK D.E.
1987IAUS..121..119W 8 2 The 0.3 to 100 micron continua of type 1 Seyferts. WARD M.J., CARLETON N.P., ELVIS M., et al.
1987IAUS..121..169P 12 12 Emission lines variations in the spectra of Seyfert galaxies nuclei. Observational data. PRONIK I.
1987IAUS..121..185B 8 3 A search for periodicities in the light variation of some Seyfert galaxies. BISCH S.M., PASTORIZA M.G., DOTTORI H., et al.
1987IAUS..121..219B 2 3 1-3-day variations of the broad emission lines of Seyfert nuclei. BOCHKAREV N.G.
1987IAUS..121..223B 1 3 A possible mechanism to explain the narrow line variability of Seyfert galaxies on time scales of months. BOCHKAREV N.G.
1987IAUS..121..237W 8 10 Ionization and kinematics of the narrow line region in Seyfert galaxies. WILSON A.S.
1987IAUS..121..269P 70 T                   1 1 3 VLBI observations of
NGC 4151 at 6 cm wavelength.
1988A&A...192....9P 5 7 Ionizing photon densities in the broad line regions of active galactic nuclei. PADOVANI P.
1988A&A...200...26H 45 15 Search for H2O maser emission in nearby galaxies. HUCHTMEIER W.K., ECKART A. and ZENSUS A.J.
1988A&A...203..233S 10 1 40 Jet-like morphology of ionized gas due to a UV-radiation cone. SCHULZ H.
1988A&A...205...19C 7 2 58 Thick Compton-heated media: a solution for the Fe II problem in active galactic nuclei ? COLLIN-SOUFFRIN S., HAMEURY J.-M. and JOLY M.
1988A&A...205...53P 54 133 Mass-luminosity relationships and accretion rates for Seyfert 1 galaxies and quasars. PADOVANI P. and RAFANELLI P.
1988A&A...206...95D 5 2 40 Star formation in Seyfert 2 galaxies and the nuclear origin of the 25mu.m emission. DULTZIN-HACYAN D., MOLES M. and MASEGOSA J.
1988A&A...206..227D 96 29 The link between IRAS spectra and near-infrared emission features in external galaxies. DESERT F.X. and DENNEFELD M.
1988A&AS...73..453W 18 19 The H I properties of spiral galaxies in the Virgo cluster. IV. Westerbork observations of 12 field galaxies. WARMELS R.H.
1988AJ.....95..398D 19 9 IRAS 17138-1017 : a highly obscured luminous starburst galaxy. DEPOY D.L., WYNN-WILLIAMS C.G., HILL G.J., et al.
1988AJ.....95.1695V 18 38 A search for variations of Fe VII lambda 6087 and Fe x lambda 6375 in high-ionization Seyfert galaxies. VEILLEUX S.
1988AJ.....96...30C 179 140 Radio identifications of UGC galaxies: starbursts and monsters. CONDON J.J. and BRODERICK J.J.
1988AJ.....96...81D 41 31 The separation of synchrotron and bremsstrahlung radio emission in spiral galaxies. DURIC N., BOURNEUF E. and GREGORY P.C.
1988AJ.....96..841N 1 6 43 Compact radio cores in three Seyfert galaxies : high-resolution studies of MKN 3, MKN 231, and MKN 463. NEFF S.G. and ULVESTAD J.S.
1988ApJ...324..767W 45 104 X-ray observations of IRAS selected Seyfert galaxies and obscuration of the broad-line region. WARD M.J., DONE C., FABIAN A.C., et al.
1988ApJ...325..114G 48   K                 2 106 Direct evidence for gravitational domination of the motion of gas within one light-week of the central object in
NGC 4151 and the determination of the mass of the probable black hole.
1988ApJ...327..103B 1 8 49 QSOs with narrow emission lines. BALDWIN J.A., McMAHON R., HAZARD C., et al.
1988ApJ...327..664B 36   K                 2 10 Ultraviolet spectroscopy of the 'jetlike' condensations of
NGC 4151.
1988ApJ...328L..41K 1 6 40 Fe II 1.644 micron emission line in Seyfert and starburst galaxies. KAWARA K., NISHIDA M. and TANIGUCHI Y.
1988ApJ...328..381M 609 14 Cosmology from a galaxy group catalog. I. Binaries. MORGAN C.G. and HARTWICK F.D.A.
1988ApJ...330L...5Y 4 6 The origin of the extragalactic gamma-ray background in the 35-100 MeV range. YOUNG E.C.M. and YU K.N.
1988ApJ...330..111P 38   K                 2 31 The size of the broad-line region in the Seyfert galaxy
NGC 4151.
1988ApJ...330..121T 35 32 Optical polarization of Seyfert galaxies. THOMPSON I.B. and MARTIN P.G.
1988ApJ...331..154L 10 8 A soft X-ray flare in the Seyfert 1 galaxy Markarian 335. LEE M.G., BALICK B., HALPERN J.P., et al.
1988ApJ...332L..19E 36   K                 5 22 The submillimeter spectra break in Seyfert galaxies. ENGARGIOLA G., HARPER D.A., ELVIS M., et al.
1988ApJ...332..141F 16 2 134 Radiative equilibrium of high-density clouds with application to active galactic nucleus continua. FERLAND G.J. and REES M.J.
1988ApJ...333....1M 1 16 64 A near-infrared and optical study of X-ray selected Seyfert galaxies.II. Models and interpretation. McALARY C.W. and RIEKE G.H.
1988ApJ...333..188Z 7 7 Line variability and the broad emission line region of quasi-stellar objects. III. Line profiles and velocity field. ZHENG W.
1988ApJ...333..646E 151   K                 2 931 6-659The discrete correlation function : a new method for analyzing unevenly sampled variability data. EDELSON R.A. and KROLIK J.H.
1988ApJ...335...57L 42 3 505 Effects of cold matter in active galactic nuclei: a broad hump in the X-ray spectra. LIGHTMAN A.P. and WHITE T.R.
1988ApJS...67....1T 637 93 Uncertainties in 21 centimeter redshifts. I. Data. TIFFT W.G. and COCKE W.J.
1988ApJS...67..249D 282 200 A statistical study of properties of Seyfert and starburst galaxies. DAHARI O. and DE ROBERTIS M.M.
1988ApJS...68....1L viz 78 167 The guide star photometric catalog. I. LASKER B.M., STURCH C.R., LOPEZ C., et al.
1988MNRAS.230..121U 1 11 63 Far-ultraviolet absorption lines in active galaxies. ULRICH M.-H.
1988MNRAS.230..353P 1 20 88 An accretion disc in the broad-line radio galaxy 3C 390.3 ? PEREZ E., PENSTON M.V., TADHUNTER C., et al.
1988MNRAS.231.1145W 1 7 35 Variable low-energy absorption in the X-ray spectrum of ESO 103-G35. WARWICK R.S., POUNDS K.A. and TURNER T.J.
1988MNRAS.233..601P 3 4 51 On the nature of the broad line region clouds. PENSTON M.V.
1988MNRAS.234..297S 3 1 13 The duelling wind model for the emission line region of active nuclei. SMITH M.D. and RAINE D.J.
1988MNRAS.235..551S 1 6 26 On variability in the broad absorption line troughs of the QSO Q 1246-057. SMITH L.J. and PENSTON M.V.
1988MNRAS.235..935B 96 1 384 The evolution of optically selected QSOs - II. BOYLE B.J., SHANKS T. and PETERSON B.A.
1988PASP..100...18P 2 10 118 Emission-line variability in Seyfert galaxies. PETERSON B.M.
1988PASP..100...54W 30 7 A survey of northern Seyfert galaxies. WAGNER S.J.
1988PASP..100..469A 22 3 U, B, V aperture photometry of 21 galaxies. ANGIONE R.J.
1988PASP..100.1572G 11 27 Reduction of Hamilton echelle data at Lick Observatory GOODRICH R.W. and VEILLEUX S.
1988AcASn..29...38L 29 0 The masses of active galactic nuclei. LIU R.-L.
1988AISAO..26...72N 268 0 On the correlation of radio luminosity of Seyfert galaxies with theirluminosity in O III 5007 A line and morphology. NEIZVESTNY S.I.
1988Afz....28...59S 1 2 Rapid spectral variability of active galactic nuclei. The amplitudes of variations in lines. SHEVCHENKO I.I.
1988Afz....28..465D 12 0 UBV photometry of Seyfert galaxies. III. NGC 6764 and general discussion. DOROSHENKO V.T.
1988Afz....28..505Z 3 0 Low jets in Seyfert galaxies : observational manifestation. ZENTSOVA A.S.
1988ATsir1528....5B 1 0 Appearance of spectral festure lambda 4508 A in the NGC 4151 nucleus on 26 February 1988. BOCHKAREV N.G., ZHEKOV S.A., LIPOVETSKY V.A., et al.
1988AZh....65..682I 47 4 The dense stellar cluster as a possible source of gas in active galactic nuclei and quasars. ILLARIONOV A.F. and ROMANOVA M.M.
1988Ap&SS.148..305P 64 2 A proposed program of observations of extragalactic X-ray sources. PETROV G.T.
1988Ap&SS.149..175K 4 5 Gas infall in the nuclei of Seyfert galaxies observed ? KUNDT W.
1988BAAS...20..685W 3 2 Implications of HEAO 3 gamma-ray and 511 keV observations of black hole candidates. WHEATON W.A., LING J.C. and MAHONEY W.A.
1988BAAS...20..969K 3 0 New determination of sizes of quasar broad-line regions and directionof gas motion. KORATKAR A.P. and GASKELL C.M.
1988BAAS...20..970F 3 0 Extended X-ray emission in Seyfert galaxies. FASSNACHT C., ELVIS M., WILSON A.S., et al.
1988BAAS...20.1024B 2 1 Hard X-ray balloon observations of selected active galactic nuclei. BRAGA J., COVAULT C.E. and GRINDLAY J.E.
1988BAAS...20.1032O 3 0 Near-infrared emission-line spectra of the Orion nebula, NGC 4151, and other Seyfert galaxies. OSTERBROCK D.E., SHAW R.A. and VEILLEUX S.
1988BAAS...20.1056B 5 1 Observations of galactic and extra-galactic objects in the low energy gamma-ray region. BHATTACHARYA D., OWENS A., DUNPHY P., et al.
1988IzKry..78...80O 1 0 The experience of parallel photoelectrical and photographical spectral observations of coronal line at galaxy NGC 4151 nucleus carried out at AZT-11 and 2,6-m telescope. OKNIANSKY V.L., CHUVAEV K.K. and SHAKHOVSKOY N.M.
1988IzKry..78...82M 1 0 The results of Seyfert galaxy NGC 4151 nucleus observations on the telescope AZT-11 in 1982-1986. MERKULOVA N.I.
1988IzKry..78...89K 2 3 Photometry of the Seyfert galaxy NGC 4151 and quasar 3C 273 : the 160.010 minutes period. KOTOV V.A. and LYUTY V.M.
1988IzKry..79..139K 5 0 The 160.01 minutes oscillations of compact extragalactic objects and plausible cosmological consequences. KOTOV V.A. and LYUTY V.M.
1988JAVSO..17..150B 11 0 Variable star observing of quasars. BALONEK T.J.
1988JBIS...41..373D 10 0 Future space missions in gamma-ray astronomy. DEAN J.
1988MmSAI..59..239M 22 61 EXOSAT observations of variability in active galactic nuclei. McHARDY I.
1988MmSAI..59..261P 24 6 X-ray spectra of Seyfert-type AGN observed with EXOSAT. POUNDS K.A. and TURNER T.J.
1988Natur.336...15W 2 3 A clearer view of active galaxies. WARD M.
1988Natur.336..749E 6 1 24 Evidence from sub-millimetre observations for thermal dust emission in NGC 4151. EDELSON R.A., GEAR W.K.P., MALKAN M.A., et al.
1988PASJ...40..273H 5 2 A cluster of accreting black holes and optical to X-ray spectrum of active galactic nuclei. HAGIO F. and YOKOYAMA T.
1988RPPh...51..393V 3 2 Present status of galactic gamm-ray line observations. VEDRENNE G.
1988SoByu..60...31M 297 0 Observation of galaxies in groups at 102 MHz. MAHTESSIAN A.P. and OGANNISIAN M.A.
1988SoByu..60...55H 16 0 Radiospectra of galaxies of the Byurakan classification. HOVHANNISIAN M.A.
1988SoSAO..55....5L viz 942 33 A catalogue of Seyfert galaxies. LIPOVETSKY V.A., NEIZVESTNY S.I. and NEIZVESTNAYA O.M.
1988IAUS..129..509W 6 8 Developments in continuum imaging. WILKINSON P.N., CONWAY J. and BIRETTA J.
1988IUE88...2...69K 16 ~ Quasars. KAFATOS M.
1988IUE88...2..373B 10 ~ The IUE data base - Homogenizing the IUE object nomenclature. BARYLAK M., WAMSTEKER W. and SCHMITZ M.
1989A&A...211...25T 82 41 Formation of leading spiral arms in retrograde galaxy encounters. THOMASSON M., DONNER K.J., SUNDELIUS B., et al.
1989A&A...211L..27N 18 1 73 Raman scattering as a diagnostic possibility in astrophysics. NUSSBAUMER H., SCHMID H.M. and VOGEL M.
1989A&A...211..310S 1 4 21 Emission line variation in the Seyfert galaxy Fairall 9 and the presence of broad O III emission. STIRPE G.M., VAN GRONINGEN E. and DE BRUYN A.G.
1989A&A...216...39H 13 29 Polarized radio emission from NGC 4945. HARNETT J.I., HAYNES R.F., KLEIN U., et al.
1989A&A...217...66A 219 80 The preponderance of bar and ring features in starburst galaxies and active galactic nuclei. ARSENAULT R.
1989A&A...221..211M 4 4 73 Photomeson production in active galactic nuclei. MANNHEIM K. and BIERMANN P.L.
1989A&A...226...59K 1 11 49 Soft and hard X-ray variability from the accretion disk of NGC 5548. KAASTRA J.S. and BARR P.
1989A&AS...81..253D 183 16 A catalogue of extented ionized nebulosities around active galactic nuclei. DURRET F.
1989AJ.....98..195K 7 17 The active nucleus of M 81 and its history. KEEL W.C.
1989AJ.....98..419V viz 1091 95 Structures, spectral indexes, and optical identifications of radio sources selected from the B3 catalogue. VIGOTTI M., GRUEFF G., PERLEY R., et al.
1989AJ.....98..500P 1 5 22 Continuum and emission-line variability of the Seyfert galaxy Arakelian 120: analysis of a large database. PETERSON B.M., KORISTA K.T. and WAGNER R.M.
1989ApJ...336L...1B 1 3 23 Photoerosion and the abundances of the light elements. BOYD R.N., FERLAND G.J. and SCHRAMM D.N.
1989ApJ...336..103E 71 T                   1 6 31 Speckle imaging of NGC 1068 and
NGC 4151 in the O III 5007 A line and nearby continuum.
1989ApJ...336..128T 133 23 Quantization of redshift differences in isolated galaxy pairs. TIFFT W.G. and COCKE W.J.
1989ApJ...336..572J 3 2 28 Nucleosynthesis inside thick accretion disks around black holes. II. Results for massive black holes. JIN L., ARNETT W.D. and CHAKRABARTI S.K.
1989ApJ...338..128E 4 7 Broad-line variability in NGC 3783. EVANS I.N.
1989ApJ...339..674M 123 48 On the ratio of the infrared-to-ultraviolet continuum to the X-rays in quasars and active galaxies. MUSHOTZKY R.F. and WANDEL A.
1989ApJ...339..729W 1 7 38 Kinematics and ionization of extended gas in active galaxies. V. The Seyfert galaxy NGC 5548. WILSON A.S., WU X., HECKMAN T.M., et al.
1989ApJ...342...29O 16 39 HI in barred spiral galaxies. I. NGC 1365. ONDRECHEN M.P. and VAN DER HULST J.M.
1989ApJ...342L..55K 7 17 H2 2.122 micron emission in NGC 3783 with a bare type 1 Seyfert nucleus. KAWARA K., NISHIDA M. and GREGORY B.
1989ApJ...342..735H 148 152 A millimeter-wave survey of CO emission in Seyfert galaxies. HECKMAN T.M., BLITZ L., WILSON A.S., et al.
1989ApJ...342..785D 74 96 The kinematics of Milky Way halo gas. I. Observations of low-ionization species. DANLY L.
1989ApJ...343...54S 59 42 Toward a classification scheme for broad-line profiles in active galactic nuclei. SULENTIC J.W.
1989ApJ...343..659U 59 225 Radio structures of Seyfert galaxies. VII. Extension of a distance-limited sample. ULVESTAD J.S. and WILSON A.S.
1989ApJ...343..678K 4 4 78 The origin of coronal lines in Seyfert galaxies. KORISTA K.T. and FERLAND G.J.
1989ApJ...344..125P 50 36 Contributions of low-luminosity sources to the X-ray background. PERSIC M., DE ZOTTI G., DANESE L., et al.
1989ApJ...345..637K 7 2 59 Emission-line variability of Fairall 9 : determination of the size of the broad-line region and the direction of gas motion. KORATKAR A.P. and GASKELL C.M.
1989ApJ...345..730P 3 20 257 The circumnuclear environment of nearby, noninteracting Seyfert galaxies. POGGE R.W.
1989ApJ...346L..73M 34 35 A linear correlation between H2 upsilon = 1-0 S(1) and O I 6300 emission in Seyfert and starburst galaxies. MOURI H., TANIGUCHI Y., KAWARA K., et al.
1989ApJ...347...74K 2 5 49 On the nature of emission-line clouds of quasars and active galactic nuclei. KAZANAS D.
1989ApJ...347..171F 106 T K                 1 3 22 Small-amplitude coherent signals in the X-ray emission of
NGC 4151.
1989ApJ...347..750M 6 2 48 The X-ray structure of Centaurus A from 0.1 to 50 KeV observations with EXOSAT. MORINI M., ANSELMO F. and MOLTENI D.
1989MNRAS.236...21M 10 2 83 Evaluation of the cross-correlation method and the size of AGN emission-line regions. MAOZ D. and NETZER H.
1989MNRAS.236..153Y 94 T                   1 1 98 Variable X-ray absorption in
NGC 4151.
1989MNRAS.237..341A 15 17 VLBI observations of the nuclei of a mixed sample of bright galaxies and quasars at 327 MHz. ANANTHAKRISHNAN S., KULKARNI V.K., PONSONBY J.E.B., et al.
1989MNRAS.237..707T 25 11 Reddening in the narrow-line region of active galactic nuclei. TSVETANOV Z.I. and YANKOULOVA I.M.
1989MNRAS.237..979M 6 14 Broad emission lines in the duelling wind model of active galaxies. MOBASHER B. and RAINE D.J.
1989MNRAS.238.1479B 81 19 Profiles of emission lines in AGN -II. Analysis of a sample of (O III) profiles. BUSKO I.C. and STEINER J.E.
1989MNRAS.239..289S 23 38 Observational constraints on viscosity in AGN accretion discs. SIEMIGINOWSKA A. and CZERNY B.
1989MNRAS.240...81D 27 80 The behaviour of compact non-thermal sources with pair production. DONE C. and FABIAN A.C.
1989MNRAS.240..769P 4 5 85 Iron features in the X-ray spectra of three Seyfert galaxies. POUNDS K.A., NANDRA K., STEWART G.C., et al.
1989MNRAS.241p..31P 70 T                   1 1 ~ The complex narrow-line region in
NGC 4151.
1989PASP..101..691C 4 0 The problem of extinction and thermal reradiation by dust in active galactic nuclei and quasi-stellar objects. CONGDON C. and STEIN W.A.
1989PASP..101.1078Q 3 5 UBV light curve of NGC 3227. QUISBERT J., BINETTE L., DALTABUIT E., et al.
1989AcASn..30...22Y 1 0 The 3000 A bump in quasars and Seyfert galaxies. YAN M., CHENG F.H. and YOU J.H.
1989ARA&A..27..397K 27 9 Astrophysical contributions of the international ultraviolet explorer. KONDO Y., BOGGESS A. and MARAN S.P.
1989Afz....31...75T 71 T                   1 1 6 Flicker noise model for optical flux variability of
NGC 4151.
1989ATsir1537....3Z 10 0 Evaluation of the jet power in the extragalactic radio-sources interacting with the surrounding gas. ZENTSOVA A.S.
1989AZh....66....1C 70 T                   1 5 3 Spectral variability of the
NGC 4151 nucleus in 1972-1984.
1989AZh....66..693N 154 1 Integrated colours and luminosity of the Seyfert host galaxies. A comparison with photometrical characteristics of normal galaxies. NEIZVESTNYJ S.I.
1989ApL....27..321B 8 ~ Simulated observations of low energy gamma ray sources. BASSANI L., BUTLER R.C., CAROLI E., et al.
1989Ap&SS.158..117L 8 1 Gamma-ray emissions from active galaxies. LAU M.M., YOUNG E.C.M. and YU K.N.
1989BAAS...21..754P 5 0 Time variability of the MgII emission line in the spectra of Seyfert galaxies. PTAK R. and STONER R.E.
1989BAAS...21Q.754K 3 1 The size, kinematics and physical conditions of the NGC 5548 broad line region clouds : 1978-1988. KORATKAR A.P. and GASKELL C.M.
1989BAAS...21.1138B 4 0 Cosmic gamma-ray sources and their contribution to the diffuse gamma-ray emission. BHATTACHARYA D.
1989BAAS...21.1159N 4 0 Absorption and emission line kinematics in Seyfert galaxies. NELSON C.H. and WHITTLE D.M.
1989BAAS...21.1161A 70 T                   1 1 0 Speckle observations of the central region of
NGC 4151.
1989BDus...77...50R 7 0 UBVRI observation of the active galaxies nuclei. RAKHIMOV V.Y.
1989ComAp..14..137N 1 2 11 tThe mass and size of AGN. NETZER H.
1989Gemin..23....4T 7 0 Evidence for a young stellar population in Seyfert nuclei. TERLEVICH E., TERLEVICH R. and DIAZ A.I.
1989IAUC.4721....0C 70 T                   1 1 ~
NGC 4151.
1989Natur.338..484D 6 1 24 Production of self-absorbed synchrotron spectra steeper than nu 5/2. DE KOOL M. and BEGELMAN M.C.
1989Natur.341..422T 22 2 179 Anisotropic ionizing radiation in NGC 5252. TADHUNTER C. and TSVETANOV Z.
1989NewSc.124...22L 1 0 Optical beaming may explain zoo of active galaxies. LAW S.
1989PAZh...15..205L 7 0 The rapid flares in active galactic nuclei. LYUTIJ V.M. and RAKHIMOV V.Y.
1989PAZh...15..579L 70 T                   1 4 5 The investigation of rapid brightness variability of the nucleus of
NGC 4151.
1989PAZh...15..963Z 99 0 Colour of inner regions of Seyfert galaxies in comparison with the normal ones. ZASOV A.V. and NEIZVESTNYJ S.I.
1989PASJ...41..721W 74 T                   1 1 16 A Ginga observation of
NGC 4151.
1989QJRAS..30..295D 24 2 Presidential address of 1989 February 10 : Activity in the nuclei of nearby galaxies. DAVIES R.D.
1989SciAm.261h..24W 3 0 The great supernova of 1987. WOOSLEY S. and WEAVER T.
1989SoByu..61...39I 91 0 The less probable candidates to Irr II type. ISKUDARIAN S.G.
1989SoSAO..61...13B 3 0 GAS cloud geometry and kinematics in broad line regions. BOCHKAREV N.G.
1989SoSAO..61...22A 6 0 Kinematics of the narrow-line region in Seyfert galaxies. AFANAS'EV V.L.
1989SoSAO..61...33B 70 T                   1 1 0 Detailed spectroscopy of the nucleus of Seyfert galaxy
NGC 4151.
1989SoSAO..61...70O 1 1 Rapid variability of coronal lines and a structure of emission line region in active galactic nuclei. OKNYANSKIJ V.L.
1989S&W....28..215K 15 1 Aktive Galaxien. KOLLATSCHNY W.
1989TrLen..42....5H 47 1 Optical and infrared polarimetry in extragalactic astrophysics. HAGEN-THORN V.A.
1989IAUS..134..533T 6 0 Compact radio components in Seyfert nuclei. TAYLOR D., DYSON J.E., PEDLAR A., et al.
1990A&A...229...80S 71 T                   1 2 13 Optical monitoring of the nuclear variability of the Seyfert galaxy
NGC 4151.
1990A&A...232..582B 1 3 17 Predicted spectrum and anisotropy of the ultra-high energy cosmic rays in a single-source model BEREZINSKY V.S., GRIGOR'EVA S.I. and DOGIEL V.A.
1990A&A...233...40W 1 4 25 The ultraviolet and X-ray spectrum of NGC 5548: evidence for thermal Comptonization and geometrical variations. WALTER R. and COURVOISIER T.J.-L.
1990A&A...233..317F 87 8 Do external regions of galaxies have a common orientation ? FLICHE H.H. and SOURIAU J.M.
1990A&A...234..106P 2 7 MCG 8-11-11: a powerful source of X and gamma-rays. PEROTTI F., BASSANI L., BAZZANO A., et al.
1990A&A...236...53P 96 T                   1 1 106 The extended narrow line region of
NGC 4151. I. Emission line ratios and their implications.
1990A&A...236..299M 1 7 45 Effect of X-ray spectra of Seyfert galaxies on the cosmic X-ray background. MORISAWA K., MATSUOKA M., TAKAHARA F., et al.
1990A&A...236..333H 1 16 69 Environment impact on the nuclear radio activity in spiral galaxies. HUMMEL E., VAN DER HULST J.M., KENNICUTT R.C., et al.
1990A&A...236..346B 4 15 The use of O III narrow line emission for scaling spectrophotometric data in active galactic nuclei. BARIBAUD T. and ALLOIN D.
1990A&AS...82...41K viz 752 14 Spectral index distribution for a sample of sources from the B3 catalogue. KULKARNI V.K., MANTOVANI F. and PAULINY-TOTH I.I.K.
1990AJ.....99.1435K 277 31 X-ray and infrared selected active galactic nuclei. I. The missing edge-on galaxies. KIRHAKOS S.D. and STEINER J.E.
1990AJ.....99.1442S 80 T                   1 1 41 Outflow and radiation cones in the narrow-line region of
NGC 4151.
1990AJ.....99.1456N 72 T                   1 1 11 The size of
NGC 4151 at 11.2 micro-m.
1990AJ....100.1799B 4 7 A study of emission-line variability in the nucleus of Seyfert galaxy NGC 3516. BOCHKAREV N.G., SHAPOVALOVA A.I. and ZHEROV S.A.
1990ApJ...352..172G 3 4 57 Infrared spectroscopy and imaging of the Crab nebula. GRAHAM J.R., WRIGHT G.S. and LONGMORE A.J.
1990ApJ...352..433K 22 45 H2 emission from type 1 Seyferts and quasars: molecular tori around bare nuclei. KAWARA K., NISHIDA M. and GREGORY B.
1990ApJ...352..561O 106 T K                 1 16 61 Near-infrared emission-line spectra of the Orion nebula,
NGC 4151 and other Seyfert galaxies.
1990ApJ...353..108N 2 5 51 High-rate spectroscopic active galactic nucleus monitoring at the Wise Observatory. II. NGC 5548. NETZER H., MAOZ D., LAOR A., et al.
1990ApJ...353..438P 27 55 The mass function of Seyfert 1 nuclei. PADOVANI P., BURG R. and EDELSON R.A.
1990ApJ...354...58M 2 3 Active galactic nuclei and the gamma-ray cosmic diffuse background. MEREGHETTI S.
1990ApJ...354..446W 3 6 87 Ultraviolet and optical variations in active galactic nuclei : the Seyfert 1 galaxy NGC 5548. WAMSTEKER W., RODRIGUEZ-PASCUAL P., WILLS B.J., et al.
1990ApJ...356..456P 110 T K                 1 2 39 The extended narrow-line region in
NGC 4151.
1990ApJ...356..467P 107 T K                 1 3 15 Hard X-ray observation of
NGC 4151 with the MIFRASO telescope.
1990ApJ...357L...1G 3 11 The cosmological evolution models of active galaxies and the extragalactic gamma-ray background. GAO Y.T., CLINE D.B. and STECKER F.W.
1990ApJ...359...86E 3 6 78 Broad-band properties of the CfA Seyfert galaxies. III. Ultraviolet variability. EDELSON R.A., KROLIK J.H. and PIKE G.F.
1990ApJ...359...98T 9 16 X-ray and ultraviolet observations of the Seyfert galaxy MCG 8-11-11. TREVES A., BONELLI G., FALOMO R., et al.
1990ApJ...360...55M 22 45 Excitaton mechanism of [Fe II] 1.644 micron emission in Seyfert and starburst galaxies. MOURI H., NISHIDA M., TANIGUCHI Y., et al.
1990ApJ...360..471A 106 T K                 1 2 1 Speckle observations of the central region of
NGC 4151.
1990ApJ...361..440M 4 12 205 X-ray spectral variability and complex absorption in the Seyfert 1 galaxies NGC 4051 and MCG -6-30-15. MATSUOKA M., PIRO L. and YAMAUCHI M.
1990ApJ...361..459E 14 52 Extended X-ray emission in nearby Seyfert galaxies. ELVIS M., FASSNACHT C., WILSON A.S., et al.
1990ApJ...362..434C 39 92 15 GHz compact structure in galactic nuclei. CARRAL P., TURNER J.L. and HO P.T.P.
1990ApJ...363..131S 2 2 17 GINGA observations of X-rays from the Seyfert 1 galaxy Markarian 509. SINGH K.P., WESTERGAARD N.J., SCHNOPPER H.W., et al.
1990ApJ...364..412E 38 17 Evidence for small halos in grand design spiral galaxies. ELMEGREEN D.M. and ELMEGREEN B.G.
1990ApJ...365L...5N 5 2 45 On the emission-line response to continuum variations in the Seyfert galaxy NGC 5548. NETZER H. and MAOZ D.
1990ApJ...365..119A 1 4 28 Accretion tori and cones of ionizing radiation in Seyfert galaxies. ACOSTA-PULIDO J.A., PEREZ-FOURNON I., CALVANI M., et al.
1990ApJS...72..551G 72 32 The radio properties of bright Seyfert galaxies. GIURICIN G., MARDIROSSIAN F. and MEZZETTI M.
1990ApJS...74..347K 73 117 Soft X-ray properties of Seyfert galaxies I. Spectra. KRUPPER J.S., URRY C.M. and CANIZARES C.R.
1990ApJS...74..675B 864 48 Associations between quasi-stellar objects and galaxies. BURBIDGE G., HEWITT A., NARLIKAR J.V., et al.
1990ApJS...74..731W 53 20 A survey of the profiles of narrow emission lines in Seyfert galaxies. WILSON A.S. and NATH B.
1990MNRAS.242..271T 1 40 189 On the behaviour of the IR Ca II triplet in normal and active galaxies. TERLEVICH E., DIAZ A.I. and TERLEVICH R.
1990MNRAS.242..370M 73 T                   1 2 31 Ultraviolet variability of
NGC 4151: a study using principal component analysis.
1990MNRAS.243..522F 75 T                   1 1 23 X-ray spectral variations in
NGC 4151.
1990MNRAS.245...66S 5 15 Spectral variations in the broad-line region of NGC 6814. SEKIGUCHI K. and MENZIES J.W.
1990MNRAS.246..668C 78 T                   1 3 100 The ultra-compact broad emision line region in
NGC 4151.
1990AZh....67..463Z 2 1 The profile of emission lines formed in the motion of clouds in jets in the active galactic nuclei. ZENTSOVA A.S.
1990AGAb....4...73M 70 T                   1 1 0 Hard X-ray observations of
NGC 4151.
1990Ap&SS.167..183A 250 10 The Hubble relation : differences between galaxy types Sb and Sc. ARP H.
1990Ap&SS.171...21S 6 1 Narrow-line dynamics in Seyfert and starburst nuclei. SCHULZ H.
1990Ap&SS.171...29D 70 T                   1 1 0 CCD surface photometry of the seyfert 1 galaxy
NGC 4151.
1990Ap&SS.171...61A 5 1 Light curve fittings of active galactic nuclei using supernova explosions. ARETXAGA I., DIAZ A.I., TERLEVICH R., et al.
1990Ap&SS.171...71P 70 T                   1 1 0 The complex narrow line region in
NGC 4151.
1990Ap&SS.171..127M 5 0 Constraints on the high-energy properties of active galactic nuclei. MEREGHETTI S.
1990Ap&SS.171..301R 1 3 Two-dimensional spectroscopy by optical fibres at the WHT telescope. RASILLA J.L., ARRIBAS S., MEDIAVILLA E., et al.
1990Ap&SS.174..315Y 70 T                   1 3 0 A search for gamma-ray signals from
NGC 4151, 3C 273 and Cen A by bootstrap sampling the SAS-2 data.
1990BICDS..38...29O 52 0 Recent aspects of the bibliography of astronomical objects. OCHSENBEIN F. and DUBOIS P.
1990BAAS...22.1194B 2 0 Time-dependent comptonization in impulsively-heated plasmas. BECKER P.A. and WOOD K.S.
1990Gemin..27....8P 2 0 Active galaxies - the second 'International Time' project. PENSTON M.
1990Gemin..28...14T 70 T                   1 1 0 The emission line "jet" in
NGC 4151.
1990IzKry..82..161V 2 0 Macroscopic fluctuations, Sun-Earth relations and some problems of precise measurements. VLADIMIRSKY B.M.
1990JRASC..84..199R 93 10 Optical polarization properties of compact radio sources. RUSK R.
1990PAZh...16..771L 4 1 Compact extragalactic objects : a search for 160-minute periodicity in the X-ray data. LYUTY V.M. and KOTOV V.A.
1990PAZh...16..867C 5 8 Rapid brightness and spectrum variations of the nucleus of Seyfert 1 galaxy NGC 7469. CHUVAEV K.K., LYUTYJ V.M. and DOROSHENKO V.T.
1990PAZh...16..884S 70 T                   1 1 0 The profile of FeX line and its variability in Seyfert galaxy
NGC 4151 nucleus.
1990QJRAS..31..627R 17 0 Galactic studies. Infrared spectroscopy of dust in molecular clouds (Adamson and Whittet). ROBSON E.I.
1990RPPh...53.1095W 2 2 23 The detection of high-redshift quasars. WARREN S.J. and HEWETT P.C.
1990RMxAA..21..633B 11 0 Hard X-ray arcmin imaging with the EXITE telescope. BRAGA J., COVAULT C.E., MANANDHAR R., et al.
1991A&A...241....5W 35 22 The Eddington ratio of active galactic nuclei in accretion disk and dynamical models. WANDEL A.
1991A&A...241...35B 110 1 A determination of the local radio luminosity function of radiogalaxies at 408 MHz. BASSO L., GRUEFF G. and VIGOTTI M.
1991A&A...242...49J 191 60 Relationship between Fe II and radio emission in active galactic nuclei. JOLY M.
1991A&A...243....5C 4 12 Massive black holes, the X-ray background and the intergalactic medium. COLLIN-SOUFFRIN S.
1991A&A...247..283S 1 3 13 On a nonthermal origin of steep far-infrared turnovers in radio-quiet active galactic nuclei. SCHLICKEISER R., BIERMANN P.L. and CRUSIUS-WATZEL A.
1991A&A...247..405M 3 2 26 Hard X-ray observations of GX 1+4. MONY B., KENDZIORRA E., MAISACK M., et al.
1991A&A...248..389C 4 5 87 Observational constraints on disc models for quasars and Seyfert galaxies. COURVOISIER T.J.-L. and CLAVEL J.
1991A&A...249...25M 79 T                   1 1 32 A search for reflection features in the X-ray spectrum of
NGC 4151.
1991A&A...249...43H 1 8 42 The anomalous radio features in NGC 4388 and NGC 4438. HUMMEL E. and SAIKIA D.J.
1991A&A...249..344C 7 2 62 On the origin of the optical and UV continuum in active galactic nuclei. COLLIN-SOUFFRIN S.
1991A&A...250...57A 20 18 Forbidden high-ionization lines in QSO spectra. APPENZELLER I. and WAGNER S.J.
1991AJ....101...71X 67 20 Observational distinction between two types of active galactic nuclei. XIE G.Z., LIU F.K., LIU B.F., et al.
1991AJ....101..362C 363 116 UGC galaxies stronger than 25 mJy at 4.85 GHz. CONDON J.J. and FRAYER D.T.
1991AJ....102.1278B 71 T                   1 5 10 A study of emission-line variability of the nucleus in the Seyfert galaxy
NGC 4151 in 1986-1988
1991AJ....102.1977G 7 6 Variability of the broad line spectrum of Markarian 372. GREGORY S.A., TIFFT W.G. and COCKE W.J.
1991ApJ...366...50W 1 4 28 Kinematics and ionization of extended gas in active galaxies. VI. The Seyfert 2 galaxy NGC 1386. WEAVER K.A., WILSON A.S. and BALDWIN J.A.
1991ApJ...367..455K 2 4 35 X-ray continuum and evidence for an iron emission line from the quasar E1821+643. KII T., WILLIAMS O.R., OHASHI T., et al.
1991ApJ...367..493M 117 T K                 1 3 132 High-rate active galaxy monitoring at the Wise Observatory. III. The broad-line region of
NGC 4151.
MAOZ D., NETZER H., MAZEH T., et al.
1991ApJ...369..106S 33 22 Infrared polarimetry of quasars. SITKO M.L. and ZHU Y.
1991ApJ...369..331V 1 13 91 A study of the structure and kinematics of the narrow-line region in Seyfert galaxies. III. Individual objects. VEILLEUX S.
1991ApJ...370L..61K 2 10 84 Radius-luminosity and mass-luminosity relationships for active galactic nuclei. KORATKAR A.P. and GASKELL C.M.
1991ApJ...370..487C 62 28 The shape of the ultraviolet continuum of quasars and intergalactic dust. CHENG F.H., GASKELL C.M. and KORATKAR A.
1991ApJ...371..136F 107 T K                 1 1 7 C IV line profile correlations in
NGC 4151.
1991ApJ...372...49S 7 5 X-ray luminosity and spectral variability in the Seyfert type I galaxy: PG 2130+099. SINGH K.P., RAO A.R. and VAHIA M.N.
1991ApJ...373...75P 110 T K                 1 1 16 Hard X-ray variability of
NGC 4151.
1991ApJ...373...84B 3 1 12 Photoerosion and the abundances of 7Li, 9Be, 10B and near active galactic nuclei. BOYD R.N. and FENCL H.S.
1991ApJ...373..649F 34 17 Ultraviolet high-excitation Fe II fluorescence lines excited by O VI, C IV and HI resonance as seen in IUE spectra. FEIBELMAN W.A., BRUHWEILER F.C. and JOHANSSON S.
1991ApJ...375...85K 3 2 30 IUE observations of NGC 5548, 1978-1988: the sizes and kinematics of the broad-line region. KORATKAR A.P. and GASKELL C.M.
1991ApJ...376..458B 94 21 Arm classification and velocity gradients in spiral galaxies. BIVIANO A., GIRARDI M., GIURICIN G., et al.
1991ApJ...377..417S 8 9 X-ray observations of the bright Seyfert galaxy IC 4329A. SINGH K.P., RAO A.R. and VAHIA M.N.
1991ApJ...378L..17R 8 15 A Compton reflection model for the X-ray and gamma-ray backgrounds. ROGERS R.D. and FIELD G.B.
1991ApJ...379..586W 9 2 75 Echo images of broad-line regions in active galactic nuclei. WELCH W.F. and HORNE K.
1991ApJ...379..596B 3 2 26 IUE observations of NGC 1068 : the extremely luminous starburst knots. BRUHWEILER F.C., TRUONG K.Q. and ALTNER B.
1991ApJ...380..357P 13 5 X-ray observations of the Seyfert 1 galaxy Markarian 464. PIRO L., MATT G., COSTA E., et al.
1991ApJ...381..110P 2 3 29 Possible deflection of a jet by molecular clouds in NGC 4258. PLANTE R.L., LO K.Y., ROY J.-R., et al.
1991ApJ...382..483U 109 T K                 1 4 61 The ultraviolet spectrum of
NGC 4151 from 1978 to 1990: general characteristics and evolution.
1991ApJ...383..164G 28 66 Near-infrared [Fe II] emission of M 82 supernova remnants: implications for tracing the supernova content of galaxies. GREENHOUSE M.A., WOODWARD C.E., THRONSON H.A.Jr, et al.
1991ApJS...75..297H viz 946 113 An optical catalog of extragalactic emission-line objects similar to quasi-stellar objects. HEWITT A. and BURBIDGE G.
1991ApJS...75..357V 16 53 A study of the structure and kinematics of the narrow-line region in Seyfert galaxies. I. Atlas of line profiles. VEILLEUX S.
1991ApJS...75..383V 1 16 67 A study of the structure and kinematics of the narrow-line region in Seyfert galaxies. II. Analysis of the line-profile parameters. VEILLEUX S.
1991MNRAS.248...91L 16 30 Millimetre measurements of hard X-ray selected active galaxies: implications for the nature of the continuum spectrum. LAWRENCE A., ROWAN-ROBINSON M., EFSTATHIOU A., et al.
1991MNRAS.248..606R 1 61 311 An atlas of mid-infrared spectra of galaxy nuclei. ROCHE P.F., AITKEN D.K., SMITH C.H., et al.
1991MNRAS.248..760N 2 9 100 Compton reflection and the variable X-ray spectrum of NGC 5548. NANDRA K., POUNDS K.A., STEWART G.C., et al.
1991MNRAS.248..773Y 75 T                   1 7 116 The X-ray spectral variability of
NGC 4151.
1991MNRAS.249p..24L 71 T                   1 1 ~ The missing UV absorption lines of
NGC 4151.
1991MNRAS.249...36T 74 T                   1 2 25 High-resolution surface photometry of the core of
NGC 4151.
1991MNRAS.249..177B 1 4 20 On the stability of electron-positron pair equilibria and the X-ray variability of active galactic nuclei. BJORNSSON G. and SVENSSON R.
1991MNRAS.249..352G 14 17 1004 X-ray reflection from cold matter in active galactic nuclei and X-ray binaries. GEORGE I.M. and FABIAN A.C.
1991MNRAS.249..577J 10 22 Quasar H-beta profiles and discs. JACKSON N., PENSTON M.V. and PEREZ E.
1991MNRAS.250..133O 3 11 Ultraviolet emission-line variability in 3C 273. O'BRIEN P.T. and HARRIES T.J.
1991MNRAS.253..184W 9 21 Stability of slim accretion discs - effects of central mass and viscosity WALLINDER F.H.
1991PASP..103..378X 5 3 Short time-scale variability in bright Seyfert galaxies. XANTHOPOULOS E. and DE ROBERTIS M.M.
1991AcASn..32..154Y 4 0 On the structure of magnetized thin accretion disks of active galactic nuclei and their coronal radiations. YANG L.-T., WU X.-B. and YANG P.-B.
1991AISAO..33..176S 18 3 A hydrogen magnetometer of the 6-m telescope. I. Efficiency estimation. SHTOL' V.G.
1991Afz....35..335T 56 0 On the study of internal structure of superdense celestial bodies. TER-KAZARIAN G.T.
1991AGAb....6..107M 3 0 Constraints on reflexion in AGN. MAISACK M., YAQOOB T., KENDZIORRA E., et al.
1991ApL....28..203P 14 ~ Extragalactic research at the Instituto de Astrofisica de Canarias. PEREZ E., WATSON R.A., VILCHEZ J.M., et al.
1991Ap&SS.183..245O 91 1 Colour indices of the Markarian galaxies. OJHA D.K. and JOSHI S.C.
1991BAAS...23..874G 23 3 Initial results from the four college APT: pulsations, outbursts, spots and eclipses from stars to quasars. GUINAN E.F. and McCOOK G.P.
1991BAAS...23..922K 71 T                   1 1 0 HUT observations of the far ultraviolet spectrum of the Seyfert galaxy
NGC 4151.
1991BAAS...23..923W 71 T                   1 1 0 Broad band X-ray telescope observations of
NGC 4151.
1991BAAS...23.1430J 4 0 OSSE observations of active galaxies. JOHNSON W.N., KINZER R.L., KROEGER R.A., et al.
1991BAAS...23.1469S 6 ~ BATSE gamma-ray monitoring of galactic sources and AGN using the Earth occultation technique. SKELTON R.T., LING J.C., WHEATON W.A., et al.
1991IzKry..83..205S 72 T                   1 1 4 H-alpha line profile variations and gas kinematic in active galactic nuclei
NGC 4151.
1991IzKry..83..216K 9 0 The 160-minute oscillations of some extragalactic objects. KOTOV V.A. and LYUTY V.M.
1991IzKry..83..230B 71 T                   1 2 0 Evidences of 160-min brightness oscillations of
NGC 4151 are not found.
1991Msngr..63...52U 1 0 On the origin of the continuum radiation at optical and ultraviolet wavelengths in AGN/quasars. ULRICH M.-H.
1991PAZh...17..238O 71 T                   1 1 1
NGC 4151 after a deep minimum of 1984 year.
1991PASJ...43L...1A 75 T                   1 1 18 Recovery of broad emission lines of
NGC 4151.
1991PASJ...43..195A 3 14 217 X-ray implications of a unified model of Seyfert galaxies. AWAKI H., KOYAMA K., INOUE H., et al.
1991QJRAS..32..355P 6 0 X-ray astronomy in its thirtieth year. POUNDS K.A.
1991QJRAS..32..429D 32 0 Reports from observatories, university departments and research establishments. DAVIES R.D.
1992A&A...255...69G 273 68 Groups of galaxies within 80 Mpc. I. Grouping hierarchical method and statistical properties. GOURGOULHON E., CHAMARAUX P. and FOUQUE P.
1992A&A...256...33L 1 3 14 Optical variability of Seyfert nuclei. II. Fairall 9. LUB J. and DE RUITER H.R.
1992A&A...256L..38J 87 T                   1 66 SIGMA observation of a steep spectral shape in NGC 4151 above 35keV. JOURDAIN E., BASSANI L., BOUCHET L., et al.
1992A&A...257..476A 6 12 Relativistic neutrons in active galactic nuclei. II. Gamma-rays of high and very high energies. ATOYAN A.M.
1992A&A...260...17T 141 38 Investigations of the Local Supercluster velocity field. I. Observations close to Virgo, using Tully-Fisher distances and the Tolman-Bondi expanding sphere. TEERIKORPI P., BOTTINELLI L., GOUGUENHEIM L., et al.
1992A&A...262...37F 1 7 46 Time-resolved spectral analysis of three Seyfert galaxies observed with Ginga. FIORE F., PEROLA G.C., MATSUOKA M., et al.
1992A&A...262..433M 1 3 22 HEXE observations of active galactic nuclei : constraints on pairs and Compton reflection. MAISACK M., KENDZIORRA E., MONY B., et al.
1992A&A...264L...9M 3 8 Speckle masking observations of the Seyfert galaxy NGC 1386. MAUDER W., APPENZELLER I., HOFMANN K.-H., et al.
1992A&A...265L..25I 1 2 12 On the disappearance of the broad emission component of H-beta of NGC 5548 in May 1992. IIJIMA T., RAFANELLI P. and BIANCHINI A.
1992A&A...266...57W 5 6 X-ray variability in a sample of Seyfert 1 type AGN. WALTER R. and COURVOISIER T.J.-L.
1992A&A...266...65W 14 8 A link between X-ray variability and ultraviolet emission in Seyfert 1 type AGN. WALTER R. and COURVOISIER T.J.-L.
1992A&AS...92..749T 1554 45 The far-infrared properties of the CfA galaxy sample. I. The catalog. THUAN T.X. and SAUVAGE M.
1992A&AS...93..211F 2164 53 Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members. FOUQUE P., GOURGOULHON E., CHAMARAUX P., et al.
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1992MNRAS.256p...6S 2 ~ The near-IR and milliarcsec radio structure of PKS 1345+125. SHAW M.A., TZIOUMIS A.K. and PEDLAR A.
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1993ApJ...405..186L 6 23 High-resolution study of luminous infrared galaxies. I. The composite nature of the Seyfert 1 galaxy IRAS 20044-6114 (NGC 6860). LIPARI S., TSVETANOV Z. and MACCHETTO F.
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1993ApJ...406..420M 4 6 113 Accretion disk models for optical and ultraviolet microvariability in active galactic nuclei. MANGALAM A.V. and WIITA P.J.
1993ApJ...407L..61M 112 T K                 5 100 OSSE observations of
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1993ApJ...409..584E 9 16 A search for rapid variability in the broad H-alpha profiles of Seyfert and radio galaxies. ERACLEOUS M. and HALPERN J.P.
1993ApJ...410L...7M 4 3 49 Self-absorbed active galactic nuclei and the cosmic X-ray background. MADAU P., GHISELLINI G. and FABIAN A.C.
1993ApJ...410L..19K 5 14 Near-infrared spectroscopy of the peculiar giant elliptical NGC 1275. KAWARA K. and TANIGUCHI Y.
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1993ApJ...414..552O 56 112 Spectroscopic study of the CfA sample of Seyfert galaxies. OSTERBROCK D.E. and MARTEL A.
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1993ApJ...416L...5Y 2 1 10 The iron K line as a probe of beamed X-ray emission in active galactic nuclei. YAQOOB T., McKERNAN B., DONE C., et al.
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1993ApJ...416..601H 36   K                 5 9 SMM observations of gamma-ray transients. I. A search for variable emission at MeV energies from five galactic and extragalactic sources. HARRIS M.J., SHARE G.H., LEISING M.D., et al.
1993ApJ...417...82E 123 T K                 2 128 Hubble Space Telescope imaging of the narrow-line region of
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1993ApJ...418..673P 1 52 285 Infrared spectra of obscuring dust tori around active galactic nuclei. II. Comparison with observations. PIER E.A. and KROLIK J.H.
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1993ApJS...85....1N 1321 89 A revised catalog of CfA1 galaxy groups in the Virgo/Great Attractor flow field. NOLTHENIUS R.
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1993MNRAS.260..385C 12 11 The broad-line regions of active galaxies. CASSIDY I. and RAINE D.J.
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1993MNRAS.263..149G 7 2 59 Response functions as diagnostics of the broad-line region in active galactic nuclei. GOAD M.R., O'BRIEN P.T. and GONDHALEKAR P.M.
1993MNRAS.263..471P 72 T                   15 100 The radio nucleus of NGC 4151 at 5 and 8 GHz. PEDLAR A., KUKULA M.J., LONGLEY D.P.T., et al.
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1993MNRAS.264..191P 3 5 62 Electron-photon cascading of very high-energy gamma-rays in the infrared background. PROTHEROE R.J. and STANEV T.
1993MNRAS.264..395C 3 11 An estimate of the central black hole mass in NGC 6814. CAMPANA S. and STELLA L.
1993MNRAS.264..665V 170 13 Further analysis of a 'complete sample' in the Virgo supercluster of galaxies. VALLEE J.P.
1993MNRAS.264..893K 1 12 52 High-resolution radio observations of Markarian 3. KUKULA M.J., GHOSH T., PEDLAR A., et al.
1993MNRAS.264..975V 2 3 28 Further evidence for Raman scattering in RR Tel. VAN GRONINGEN E.
1993MNRAS.265..412W 1 9 45 X-ray properties of active galaxies with high intrinsic absorption. WARWICK R.S., SEMBAY S., YAQOOB T., et al.
1993MNRAS.265..619B 9 19 Radiative reprocessing by blods immersed in the X-ray-emitting regions of AGN. BOND I.A. and MATSUOKA M.
1993MNRAS.265..664G 1 32 138 On the nature of rapid X-ray variability in active galactic nuclei. GREEN A.R., McHARDY I.M. and LEHTO H.J.
1993PASP..105....1T 76 4 Astrophysics in 1992. TRIMBLE V.
1993PASP..105.1150B 1 8 41 Interpretation of the ionizing photon deficit of AGN. BINETTE L., FOSBURY R.A. and PARKER D.
1993ARA&A..31..717M 15 6 383 X-ray spectra and time variability of active galactic nuclei. MUSHOTZKY R.F., DONE C. and POUNDS K.A.
1993ATsir1555....3K 71 T                   2 0 Ultraviolet observations of nuclei of active galaxies NGC 5548 and NGC 4151 and solar activity. KUROCHKIN N.E.
1993AGAb....9...59S 1 0 Imposing space-telescope constraints on AGN emission-line models. SCHULZ H.
1993Ap&SS.201..297C 71 T                   1 0 NGC 4151 entering in an active phase. CHRISTOPOULOU P.-E., GOUDIS C.D. and SOLOMOS N.
1993Ap&SS.204..305M 2 2 The gas kinematics in the nucleus of Seyfert galaxy NGC 5548. MALKOV Y.F.
1993Ap&SS.205...69A 71 T                   6 8 The starburst model for the optical variability of the Seyfert 1 galaxies NGC 4151 and NGC 5548. ARETXAGA I. and TERLEVICH R.
1993Ap&SS.205..107K 4 1 The host galaxies of nearby Seyfert 1 nuclei. KOTILAINEN J.K.
1993Ap&SS.205..171N 71 T                   2 1 Is there a precession-type movement in the nucleus of NGC 4151 ? NAZAROVA L.S., BOCHKAREV N.G. and SHAPOVALOVA A.I.
1993Ap&SS.205..189V 71 T                   1 0 The ENLR of NGC 4151 : spatial variations of the line ratios. VILA-VILARO B., ROBINSON A. and WAGNER S.
1993Ap&SS.210..245M 4 1 Variability in active galactic nuclei. MATSUOKA M.
1993BAAS...25..790M 71 T                   2 ~ 10 mu-m imaging of NGC 4151 and NGC 1068. MEIXNER M., GRAHAM J.R., HAWKINS G.W., et al.
1993BAAS...25..890D 1 ~ Thermal comptonization model for the high energy emission of Seyfert active galactic nuclei. DERMER C.D.
1993BAAS...25.1336T 4 ~ GRIS : high resolution gamma-ray spectroscopy of Cyg X-1. TUELLER J., BARTHELMY S.D., GEHRELS N., et al.
1993BAAS...25.1337D 1 ~ Thermal comptonization model for the high energy emission of Seyfert active galactic nuclei. DERMER C.D.
1993BAAS...25.1338W 1 ~ Seyfert galaxy Fe K-alpha lines and the weakening accretion disk connection. WEAVER K.A.
1993BAAS...25Q1338E 71 T                   1 ~ High-speed ultraviolet monitoring in NGC 4151. EDELSON R., CRENSHAW D.M. and PETERSON B.M.
1993BAAS...25Z1338T 71 T                   1 ~ Analysis of infrared Fe II lines in NGC 4151. THOMPSON R.I.
1993BAAS...25.1361P 71 T                   1 ~ Continuous monitoring of NGC 4151 with GRO/BATSE. PARSONS A., GEHRELS N., PACIESAS W., et al.
1993BAAS...25.1363C 5 ~ Massive star formation in AGN host galaxies observed by the ultraviolet imaging telescope. COLLINS N.R., FANELLI M.N., HENNESSY G.S., et al.
1993GriO...57i...2A 5 0 The dark tower. ALLEN D.
1993IzKry..87..135M 72 T                   1 4 UBVRI-photometry of Seyfert galaxy NGC 4151 nucleus in 1989-90. MERKULOVA N.J. and METIK L.P.
1993IzKry..87..144K 24 1 Oscillations of the active galactic nuclei with the 160 minute period and antimatter hypothesis. KOTOV V.A. and LYUTY V.M.
1993IzKry..88...47K 12 4 New evidences of the 160-minute oscillations in active galactic nuclei. KOTOV V.A., LYUTY V.M. and HANEYCHUK V.I.
1993IzKry..88...96V 20 0 Effect of spectrodynamic focusing and the results of its using for investigation of the Seyfert galaxies. VALIULLIN R.R.
1993MmSAI..64..722S 7 0 UVSTAR. STALIO R.
1993PAZh...19..995L 4 ~ Optical variability of Seyfert galactic nuclei NGC 3516 and NGC 5548 on timescales from 20 years to 20 minutes. LYUTY V.M. and DOROSHENKO V.T.
1993PAZh...19.1021O 71 T                   1 ~ Delayed infrared emission from the nucleus of NGC 4151. OKNYANSKIJ V.L.
1993PASJ...45..407Y 75 T                   1 18 A study of the extended emission-line region of the Seyfert galaxy NGC 4151 by means of narrow-band imaging observations. YOSHIDA M. and OHTANI H.
1993RMxAA..26...65O 9 3 The nature and structure of active galactic nuclei. II. OSTERBROCK D.E.
1993Sci...259..327D 1 7 52 Far-ultraviolet astronomy on the Astro-1 space shuttle mission. DAVIDSEN A.F.
1993S&T....85c..40B 8 ~ The disk-jet connection. BLANDFORD R. and KOENIGL A.
1993S&T....86c..30K 6 ~ IUE : 15 years and counting. KONDO Y., WAMSTEKER W. and STICKLAND D.
1993BSAO...36..107V 8 1 33 Software for reduction of spectral data obtained with panoramic detectors of the 6 m telescope. VLASYUK V.V.
1994A&A...281....7P 72 T                   2 10 X-ray reprocessing and UV continuum in AGN : the case of NGC 4151. PEROLA G.C. and PIRO L.
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1994A&A...284..919G 10 15 An investigation of extinction diagnostics towards the Orion Nebula. GREVE A., CASTLES J. and McKEITH C.D.
1994A&A...288..425S 1 5 16 Long-slit spectroscopy of three low-luminosity Seyfert-1 galaxies. SCHULZ H., KNAKE A. and SCHMIDT-KALER T.
1994A&A...289...76W 2 3 22 Echo mapping the Balmer-emission region in NGC 3516. WANDERS I. and HORNE K.
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1994A&A...291...74P 92 56 Systematic study of the ultraviolet variability of active galactic nuclei. PALTANI S. and COURVOISIER T.J.-L.
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1994ApJ...434..446K 11 9 308 Disk-driven hydromagnetic winds as a key ingredient of active galactic nuclei unification schemes. KOENIGL A. and KARTJE J.F.
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1994ApJ...435..106N 1 6 22 X-ray color analysis of the spectra of active galactic nuclei. NETZER H., TURNER T.J. and GEORGE I.M.
1994ApJ...435..181O 1 2 9 OSSE observations of NGC 1275 in the 0.05-10.0 MeV range. OSAKO C.Y., UKMER M.P., GRABELSKY D.A., et al.
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