LEDA 38224 , the SIMBAD biblio

LEDA 38224 , the SIMBAD biblio (405 results) C.D.S. - SIMBAD4 rel 1.8 - 2024.04.18CEST06:24:20

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Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1973MmSAI..44...53P 10 4 Researches with the Schmidt telescope. VI. The variable stars around gamma Comae. PINTO G. and ROMANO G.
1975IBVS.1063....1H 68 T                   1 2 4 Two peculiar variable stars : OX Cyg and
GR 128. 		HOFFLEIT D.
1975IBVS.1068....1K 202 2 61st Name-list of variable stars. KUKARKIN B.V., KHOLOPOV P.N. and KUKARKINA N.P.
1977ApJ...216..227R 41 32 On possible associations of quasi-stellar objects and radio galaxies with rich clusters of galaxies. ROBERTS D.H., O'DELL S.L. and BURBIDGE G.R.
1978AJ.....83.1141N 50 5 Accurate positions of optically selected QSOs. NIETO J.-L.
1979ApJ...234L...9T 19 5 497 X-ray studies of quasars with the Einstein Observatory. TANANBAUM H., AVNI Y., BRANDUARDI G., et al.
1980PASP...92..117S 68 T                   1 2 6 Spectrophotometry of a new Seyfert 1 galaxy and of
GQ Comae. 		STOUGHTON R. and OSTERBROCK D.E.
1981ApJ...245..357Z 1 99 555 X-ray studies of quasars with the Einstein Observatory. II. ZAMORANI G., HENRY J.P., MACCACARO T., et al.
1981ApJ...250..469S 147 131 A spectrophotometric classification of low-redshift quasars and active galactic nuclei. STEINER J.E.
1982AJ.....87..616B 11 23 A study of some compact extragalactic objects. BARBIERI C., CRISTIANI S. and ROMANO G.
1983ApJ...269..352S viz 2 125 1272 Quasar evolution derived from the Palomar bright quasar survey and other complete quasar surveys. SCHMIDT M. and GREEN R.F.
1983Ap&SS..90..457B 15 6 High-redshift objects as probes of nearby cosmic voids. BROSCH N. and GREENBERG M.
1983MmSAI..54..617B 96 4 Optical variability of Quasi Stellar Objects. BARBIERI C., CRISTIANI S., NARDON G., et al.
1984ApJ...276..434W 24 37 The broad-band X-ray spectrum of a QSO sample. WORRALL D.M. and MARSHALL F.E.
1984ApJ...278...28Z 47 69 X-ray variability of quasars. ZAMORANI G., GIOMMI P., MACCACARO T., et al.
1984ApJ...279..465M 240 160 A comparison of the properties of highly polarized QSOs versus low-polarization QSOs. MOORE R.L. and STOCKMAN H.S.
1984ApJ...279..485S 142 147 The optical polarization properties of "normal" quasars. STOCKMAN H.S., MOORE R.L. and ANGEL J.R.P.
1984ApJ...281..525H 88 114 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...284...33R 148 61 Effects of dust on the infrared emission, selected line ratios, and polarization of Seyfert 1 galaxies, broad-line radio galaxies, and quasars. RUDY R.J.
1984AZh....61..417D 97 11 An empirical model of an active galaxy's nucleus. I.The catalog. DIBAJ E.A.
1985ApJ...293..120B 1 22 155 More spectroscopy of the fuzz around QSOs: additional evidence for two types of QSO. BOROSON T.A., PERSSON S.E. and OKE J.B.
1985ApJ...298..448W 75 88 Optical selection effects that bias quasar evolution studies. WAMPLER E.J. and PONZ D.
1985ApJ...299..814Z 4 9 A comparison between optically and X-ray selected quasars. ZAMORANI G.
1985Ap&SS.115..107S 168 1 Redshifts of the brightest X-ray QSO's. SAPRE A.K. and MISHRA V.D.
1986AJ.....92..412W 34 1 A search for optically variable objects in the Texas radio source survey. WILLS D., BOZYAN F.A., DOUGLAS J.N., et al.
1986ApJ...305...57T 66 96 X-Ray observations of the bright quasar survey. TANANBAUM H., AVNI Y., GREEN R.F., et al.
1986ApJ...305...68S 93 104 Counts, evolution, and background contribution of X-ray quasars and other extragalactic X-ray sources. SCHMIDT M. and GREEN R.F.
1986ApJ...308...78L 2 25 244 Active extragalactic sources: nearly simultaneous observations from 20 centimeters to 1400 A. LANDAU R., GOLISCH B., JONES T.J., et al.
1986ApJ...310..291E 4 8 137 X-ray spectra of PG quasars. I. The continuum from X-rays to infrared. ELVIS M., GREEN R.F., BECHTOLD J., et al.
1986ApJS...61..305G viz 1882 923 The Palomar-Green catalog of ultraviolet-excess stellar objects. GREEN R.F., SCHMIDT M. and LIEBERT J.
1986NIA86......649C 18 ~ An archival study of IUE observations of low redshift quasars. CHENG F.H., KINNEY A.L. and FANG L.Z.
1986NIA86......711G 69 T                   1 2 ~ Variability of emission lines in quasar spectra : Q 0405-123 and
Q 1202+281 		GONDHALEKAR P.M., O'BRIEN P.T. and WILSON R.
1987A&A...185...39C 64 18 Composite models for the narrow emission line region of active galactic nuclei. V. The lines profiles. CONTINI M. and VIEGAS-ALDROVANDI S.M.
1987ApJ...316..584S 1 58 243 Extended emission-line regions around QSOs. STOCKTON A. and MacKENTY J.W.
1987ApJ...318..188W 69 7 Luminosity dependence in the ratio of X-ray to infrared emission of QSOs. WORRALL D.M.
1987ApJ...322..164Z 1 6 39 Emission-line variability and the broad-line region of quasi-stellar objects. I. Time scales and photon densities. ZHENG W., BURBIDGE E.M., SMITH H.E., et al.
1987ApJ...323..243W 3 33 412 Quasar energy distributions. I. Soft X-ray spectra of quasars. WILKES B.J. and ELVIS M.
1987ApJS...63..615N 103 311 Continuum energy distributions of quasars in the Palomar-Green survey. NEUGEBAUER G., GREEN R.F., MATTHEWS K., et al.
1987MNRAS.226..485C 18 14 An archival study of IUE observations of low-redshift quasars. CHENG F.H. and FANG L.Z.
1987Afz....27..275P 87 0 On the relation of Seyfert galaxies with clusters. PETROSIAN A.R.
1987Ap&SS.134...35Y 315 2 The spectral properties of quasars. YU K.N.
1987BAAS...19.1103W 4 0 Upper limits on OIII Bowen fluorescence line intensities in low redshift QSOs. WOMBLE D.S. and BURBIDGE E.M.
1988A&AS...76..477B 14 23 Optical variability of 16 quasi stellar objects. BARBIERI C., CAPPELLARO E., ROMANO G., et al.
1988AJ.....95..307I 166 261 Energy distributions of blazars. IMPEY C.D. and NEUGEBAUER G.
1988ApJ...324..809K 85 60 X-ray, optical, and infrared luminosity correlations in radio-quiet quasars. KRISS G.A.
1988ApJ...328..170S 8 9 Infrared polarimetry of radio-quiet quasars. SITKO M.L.
1988ApJ...335L..39K 2 2 18 Measureing Ho and qo with X-ray lines from galaxy clusters. KROLIK J.H. and RAYMOND J.C.
1988MNRAS.233..801O 104 92 The ultraviolet continuum of quasars -I. The shape of the continuum, continuum reddening and intervening absorption. O'BRIEN P.T., GONDHALEKAR P.M. and WILSON R.
1988MNRAS.233..845O 58 23 The ultraviolet continuum of quasars -II. Continuum variability. O'BRIEN P.T., GONDHALEKAR P.M. and WILSON R.
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.
1988BAAS...20..967S 1 ~ Ultraviolet, optical and infrared observations of GQ Comae. SITKO M.L.
1988SoSAO..55....5L viz 943 33 A catalogue of Seyfert galaxies. LIPOVETSKY V.A., NEIZVESTNY S.I. and NEIZVESTNAYA O.M.
1988IUE88...2..261O 14 ~ Quasar ultraviolet continuum variability. O'BRIEN P.T., GONDHALEKAR P.M. and WILSON R.
1989A&AS...81..253D 184 16 A catalogue of extented ionized nebulosities around active galactic nuclei. DURRET F.
1989AJ.....97..777E 174 366 Accurate galactic N H values towards quasars and AGN. ELVIS M., LOCKMAN F.J. and WILKES B.J.
1989AJ.....97..957N 108 53 The near-infrared variability of a sample of optically selected quasars. NEUGEBAUER G., SOIFER B.T., MATTHEWS K., et al.
1989AJ.....98.1195K 2 113 1107 VLA observations of objects in the Palomar bright quasar survey. KELLERMANN K.I., SRAMEK R., SCHMIDT M., et al.
1989ApJ...338..630B 112 148 Emission-line properties of optically and radio-selected complete quasar samples. BALDWIN J.A., WAMPLER E.J. and GASKELL C.M.
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...343L...9B 35 23 On the relation between Fe II emission and soft X-ray properties of quasars. BOROSON T.A.
1989ApJ...345..122B 12 30 Synthesis of accretion disk and nonthermal source models for active galactic nuclei. BAND D.L. and MALKAN M.A.
1989ApJ...346...68S 1 61 357 Fitting improved accretion disk models to the multiwavelength continua of quasars and active galactic nuclei. SUN W.-H. and MALKAN M.A.
1989ApJ...347...29S 1 109 736 Continuum energy distributions of quasars: shapes and origins. SANDERS D.B., PHINNEY E.S., NEUGEBAUER G., et al.
1989ApJS...69....1H 1594 191 The first addition to the new optical catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1989MNRAS.237..739G 118 8 Ultraviolet spectra of a large sample of quasars. I. Data and data reduction. GONDHALEKAR P.M.
1989ComAp..14..177E 3 5 The ultraviolet continua of active galactic nuclei. ELVIS M.
1990ApJ...350..512Z 30 19 Internal redshift difference and central mass in QSOs. ZHENG W. and SULENTIC J.W.
1990ApJ...353..433W 33 ~ The strength of optical Fe II emission in quasi-stellar objects. WEI Z. and O'BRIEN P.T.
1990ApJ...354..148B 4 6 The origin of the near-infrared emission in Palomar Green quasars : the case for hot dust. BERRIMAN G.
1990ApJS...72..471D viz 111 47 A catalog of X-ray measurements of selected samples of active galaxies and nuclei. DELLA CECA R., PALUMBO G.G.C., PERSIC M., et al.
1990ApJS...72..777S 71 T                   1 1 4 Multifrequency observations of the optically active radio-quiet quasar
GQ Comae. I. Ultraviolet continuum and line variability. 		SITKO M.L.
1990ApJS...74..869B 114 126 An optical polarization survey of the Palomar-Green bright quasar sample. BERRIMAN G., SCHMIDT G.D., WEST S.C., et al.
1990MNRAS.243..443G 33 40 Ultraviolet spectra of a large sample of quasars - II. Variability of Ly-alpha and C IV emission lines. GONDHALEKAR P.M.
1990MNRAS.246..369L 100 118 Massive thin accretion discs - III. Comparison with the observations. LAOR A.
1990BAAS...22.1194S 70 T                   1 1 0 A thermal model of the continuum variability of
GQ Comae (PG 1202+281). 		SIEMIGINOWSKA A. and SITKO M.L.
1991A&A...241....5W 35 22 The Eddington ratio of active galactic nuclei in accretion disk and dynamical models. WANDEL A.
1991ApJ...369..106S 33 22 Infrared polarimetry of quasars. SITKO M.L. and ZHU Y.
1991ApJ...371L..51C 23 29 A comparison of C IV and H-beta broad emission-line profiles in low-redshift active galactic nuclei. CORBIN M.R.
1991ApJS...75..645K viz 68 142 An ultraviolet atlas of quasar and blazar spectra. KINNEY A.L., BOHLIN R.C., BLADES J.C., et al.
1991BAAS...23.1432W 2 ~ Accretion disks with standing shocks and AGN spectra. WIITA P.J. and CHAKRABARTI S.K.
1992ApJ...387L..21C 1 3 21 Standing shocks in accretion disks and the spectra of active galactic nuclei. CHAKRABARTI S.K. and WIITA P.J.
1992ApJS...80..109B 4 88 1452 The emission-line properties of low-redshift quasi-stellar objects. BOROSON T.A. and GREEN R.F.
1992ApJS...80..257E 823 245 The Einstein Slew Survey. ELVIS M., PLUMMER D., SCHACHTER J., et al.
1992MNRAS.254...30G 265 85 A compilation of active and normal galaxies observed in both infrared and X-rays. GREEN P.J., ANDERSON S.F. and WARD M.J.
1992MNRAS.254...93M 77 65 A spectrophotometric study of BQS quasars. MILLER P., RAWLINGS S., SAUNDERS R., et al.
1992IzKry..86...97P 13 1 Some peculiarities of quasars spectra. PRONIK I.I.
1993ApJ...409..139S 108 T K                 3 26 Multifrequency observations of the optically active radio-quiet quasar
GQ Comae. II. Ultraviolet, optical and infrared continuum variability. 		SITKO M.L., SITKO A.K., SIEMIGINOWSKA A., et al.
1993ApJ...410...29S 44 75 Quasar X-ray spectra revisited. SHASTRI P., WILKES B.J. and McDOWELL J.
1993ApJ...411..125U 15 26 The time variability of the ultraviolet continuum and Lyman-alpha in 3C 273. ULRICH M.-H., COURVOISIER T.J.-L. and WAMSTEKER W.
1993ApJ...415..517Z 140 54 Does a luminosity-dependent continuum shape cause the Baldwin effect? ZHENG W. and MALKAN M.A.
1993ApJ...418..673P 1 52 328 Infrared spectra of obscuring dust tori around active galactic nuclei. II. Comparison with observations. PIER E.A. and KROLIK J.H.
1993ApJS...87..451H viz 14       D               7278 328 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1993MNRAS.261...63L 5 13 Dust radiation in active galactic nuclei - I. Spherical distribution. LOSKA Z., SZCZERBA R. and CZERNY B.
1993MNRAS.263..425M viz 88 191 The radio and optical properties of the z < 0.5 BQS quasars. MILLER P., RAWLINGS S. and SAUNDERS R.
1994A&A...291...74P 92 56 Systematic study of the ultraviolet variability of active galactic nuclei. PALTANI S. and COURVOISIER T.J.-L.
1994AJ....108.1163K viz 113 204 The radio structure of radio loud and radio quiet quasars in the Palomar bright quasar survey. KELLERMANN K.I., SRAMEK R.A., SCHMIDT M., et al.
1994ApJ...421...34M 27 43 How fast do quasar emission lines vary ? First results from a program to monitor the Balmer lines of the Palomar-Green quasars. MAOZ D., SMITH P.S., JANNUZI B.T., et al.
1994ApJ...431..137M 1 27 116 Near-infrared imaging of low-redshift quasar host galaxies. II. High-luminosity quasars. McLEOD K.K. and RIEKE G.H.
1994ApJ...435L..11B 37   K                 6 60 HST images of nearby luminous quasars. BAHCALL J.N., KIRHAKOS S. and SCHNEIDER D.P.
1994ApJ...435..611L 1 23 143 The soft X-ray properties of a complete sample of optically selected quasars. I. First results. LAOR A., FIORE F., ELVIS M., et al.
1994ApJ...436..678O 182 141 Luminosity effects and the emission-line properties of quasars with 0<z<3.8. OSMER P.S., PORTER A.C. and GREEN R.F.
1994ApJS...92...53W viz 515 204 The Einstein database of IPC X-ray observations of optically selected and radio-selected quasars. I. WILKES B.J., TANANBAUM H., WORRALL D.M., et al.
1994ApJS...94..517M 204 38 High-energy spectra of active galactic nuclei. I. The catalog. MALAGUTI G., BASSANI L. and CAROLI E.
1994ApJS...95....1E viz 5 70 1636 Atlas of quasar energy distributions. ELVIS M., WILKES B.J., McDOWELL J.C., et al.
1994PASP..106..646K viz 3193 29 The HST quasar absorption-line key project. VIII. CCD imaging of Hubble Space Telescope quasar fields. KIRHAKOS S., SARGENT W.L.W., SCHNEIDER D.P., et al.
1994IAUS..159....5B 12 13 The origin of continuum emission in active galactic nuclei. BREGMAN J.N.
1994IAUS..159..131C 9 1 Multifrequency variability of AGN's. CLAVEL J.
1995A&A...298...22M 109 32 Multiwavelength analysis of active galaxies: implications on unified Seyfert models. MAS-HESSE J.M., RODRIGUEZ-PASCUAL P.M., SANZ FERNANDEZ DE CORDOBA L., et al.
1995A&A...298..375F viz 174 165 The jet-disk symbiosis. II.Interpreting the radio/UV correlations in quasars. FALCKE H., MALKAN M.A. and BIERMANN P.L.
1995ApJ...438..632L 97 45 Ultraluminous infrared galaxies and the radio-optical correlation for quasars. LONSDALE C.J., SMITH H.E. and LONSDALE C.J.
1995ApJ...439...90M 205 55 Active galaxies observed during the Extreme Ultraviolet Explorer all-sky survey. MARSHALL H.L., FRUSCIONE A. and CARONE T.E.
1995ApJ...440..435L 239 354 The IUE survey for damped Lyman-alpha and Lyman-limit absorption systems: evolution of the gaseous content of the universe. LANZETTA K.M., WOLFE A.M. and TURNSHEK D.A.
1995ApJ...440..610S 44 28 Emission spectrum integrated over an accretion disk: comparison with observations of active galactic nuclei. SHIMURA T. and TAKAHARA F.
1995ApJ...450..486B 1 14 88 Hubble Space Telescope images of nearby luminous quasars. II. Results for eight quasars and tests of the detection sensitivity. BAHCALL J.N., KIRHAKOS S. and SCHNEIDER D.P.
1995ApJ...454...77S 51 38 Testing models for the quasar big blue bump via color-color diagrams. SIEMIGINOWSKA A., KUHN O., ELVIS M., et al.
1995ApJ...454L..77M 3 9 114 Luminous quasars in luminous early-type host galaxies. McLEOD K.K. and RIEKE G.H.
1995ApJS...97....1L viz 143 145 The Hubble Space Telescope quasar absorption line key project. X. Galactic H I 21 centimeter emission toward 143 quasars and active galactic nuclei. LOCKMAN F.J. and SAVAGE B.D.
1995ApJS...99....1L 1 13 80 The ultraviolet emission properties of 13 quasars. LAOR A., BAHCALL J.N., JANNUZI B.T., et al.
1995MNRAS.277..609T 10 13 A gravitational lens candidate behind the Fornax dwarf spheroidal galaxy. TINNEY C.G.
1996A&A...309...81W viz 83 192 X-ray properties of active galactic nuclei with optical FeII emission. WANG T., BRINKMANN W. and BERGERON J.
1996A&AS..117..467G viz 22335 19 An image database. II. Catalogue between δ=-0deg and δ=70deg. GARNIER R., PATUREL G., PETIT C., et al.
1996AJ....111..645F viz 164 6 Optical morphology of bright quasars on images taken with 1.2 m Schmidt cameras. FABIAN D. and USHER P.D.
1996ApJ...457...77U 10 23 The ROSAT PSPC spectrum of bright low-z quasars. ULRICH-DEMOULIN M.-H. and MOLENDI S.
1996ApJ...457..111W 86 21 Relations between the optical Fe II emission and ultraviolet spectra in active galactic nuclei. WANG T.-G., ZHOU Y.-Y. and GAO A.-S.
1996ApJ...457..557B 29 54 The apparently normal galaxy hosts for two luminous quasars. BAHCALL J.N., KIRHAKOS S. and SCHNEIDER D.P.
1996ApJ...463..466D 39 89 The variability of quasars. II. Frequency dependence. DI CLEMENTE A., GIALLONGO E., NATALI G., et al.
1996ApJ...468..469F 1 20 61 Galaxy clustering around nearby luminous quasars. FISHER K.B., BAHCALL J.N., KIRHAKOS S., et al.
1996ApJS..104...37M 2 51 339 Comparative analysis of the high- and low-ionization lines in the broad-line region of active galactic nuclei. MARZIANI P., SULENTIC J.W., DULTZIN-HACYAN D., et al.
1996ApJS..107...69C 48 102 Combined ultraviolet and optical spectra of 48 low-redshift QSOs and the relation of the continuum and emission-line properties. CORBIN M.R. and BOROSON T.A.
1996MNRAS.282..117G 98 4 A paradigm revisited: the accretion disc in AGNs and quasars. GONDHALEKAR P.M., ROUILLON-FOLEY C. and KELLETT B.J.
1996AcApS..16..231W 4 0 The continuum energy distributions of four PG quasars and their infrared radiative mechanism. WU J.-X. and ZHOU Y.-Y.
1997A&A...319..413B viz 649 112 Broad band energy distribution of ROSAT detected quasars. I. Radio-loud objects. BRINKMANN W., YUAN W. and SIEBERT J.
1997A&A...326..885B 32 15 UV to X-ray spectra of radio-quiet quasars. Comparison with accretion disk models. BRUNNER H., MUELLER C., FRIEDRICH P., et al.
1997ApJ...477...93L 7 23 551 The soft X-ray properties of a complete sample of optically selected quasars. II. Final results. LAOR A., FIORE F., ELVIS M., et al.
1997ApJ...479..642B 8 20 504 Hubble Space Telescope images of a sample of 20 nearby luminous quasars. BAHCALL J.N., KIRHAKOS S., SAXE D.H., et al.
1997MNRAS.288..260G 55 3 Soft X-ray colours of Seyfert 1 galaxies and quasars GONDHALEKAR P.M., ROUILLON-FOLEY C. and KELLETT B.J.
1997MmSAI..68..119F 14 2 X-ray temporal and spectral variability in active galactic nuclei. FIORE F.
1998A&A...329..863T 19 14 Principal component analysis of two ultraviolet emission-lines in 18 active galactic nuclei. TUERLER M. and COURVOISIER T.J.-L.
1998A&A...330..108Y viz 848 132 Broad band energy distribution of ROSAT detected quasars. II. Radio-quiet objects. YUAN W., BRINKMANN W., SIEBERT J., et al.
1998A&A...335..467T viz 393 77 Identification of soft high galactic latitude RASS X-ray sources. I. A complete count-rate limited sample. THOMAS H.-C., BEUERMANN K., REINSCH K., et al.
1998ApJ...493....1W 75 45 Emission line and ultraviolet to X-ray continuum correlations: constraints on the anisotropy of the ionizing continuum in active galactic nuclei. WANG T.G., LU Y.J. and ZHOU Y.Y.
1998ApJ...495..152L 1 14 48 The formation of quasars in low-luminosity hosts via galaxy harassment. LAKE G., KATZ N. and MOORE B.
1998ApJ...503..607F 1 13 41 The variability properties of X-ray-steep and X-ray-flat quasars. FIORE F., LAOR A., ELVIS M., et al.
1998ApJ...505L..83L 2 28 178 On quasar masses and quasar host galaxies. LAOR A.
1998ApJS..117..319A viz 765 84 Identification of a complete sample of northern ROSAT all-sky survey X-ray sources. III. The catalog. APPENZELLER I., THIERING I., ZICKGRAF F.-J., et al.
1998ApJS..118....1J 65 138 The Hubble space telescope quasar absorption line key project. XIII. A census of absorption-line systems at low redshift. JANNUZI B.T., BAHCALL J.N., BERGERON J., et al.
1999AJ....118.1169X 415 161 Radio-loud and radio-quiet active galactic nuclei. XU C., LIVIO M. and BAUM S.
1999ApJ...513...76W 40 45 Investigation of the relation between the spectral energy distributions and the emission lines in low-redshift quasars. WILKES B.J., KURASZKIEWICZ J., GREEN P.J., et al.
1999ApJ...526L...5L 43 45 Two different accretion classes in Seyfert 1 galaxies and QSOs. LU Y. and YU Q.
1999MNRAS.305..829I 20 4 The optical/near-infrared broad-line emission and hard X-ray continuum of active galactic nuclei and ultraluminous infrared galaxies. IMANISHI M. and UENO S.
1999MNRAS.306..637G 1 43 249 Long-term optical variability properties of the Palomar-Green quasars. GIVEON U., MAOZ D., KASPI S., et al.
1999MmSAI..70...59M 9 0 BeppoSAX observation of low redshift quasars. MINEO T., FIORE F. and LAOR A.
2000A&A...353..861W 26 22 Quasar spectra and the K correction. WISOTZKI L.
2000A&A...357..839C viz 64 151 2.5-11 micron spectroscopy and imaging of AGNs. Implication for unification schemes. CLAVEL J., SCHULZ B., ALTIERI B., et al.
2000A&A...359..471M 1 9 36 BeppoSAX broad-band observations of low-redshift quasars: spectral curvature and iron Kα lines. MINEO T., FIORE F., LAOR A., et al.
2000A&AS..144..475P viz 14       D               1 16403 8 Galaxy coordinates. III. Accurate positions for 17124 galaxies including 3301 new companions of UGC galaxies. PATUREL G., PETIT C., GARNIER R., et al.
2000ApJ...528..637B 1 87 287 On the nature of soft X-ray weak quasi-stellar objects. BRANDT W.N., LAOR A. and WILLS B.J.
2000ApJ...533..631K 12 45 1743 Reverberation measurements for 17 quasars and the size-mass-luminosity relations in active galactic nuclei. KASPI S., SMITH P.S., NETZER H., et al.
2000ApJ...543..552S viz 636 252 Surveys for z>3 damped Lyα absorption systems: the evolution of neutral gas. STORRIE-LOMBARDI L.J. and WOLFE A.M.
2000ApJS..129..563S 85 41 The Hubble space telescope quasar absorption line key project. XV. Milky Way absorption lines. SAVAGE B.D., WAKKER B., JANNUZI B.T., et al.
2000MNRAS.311..456M viz 482 83 The ROSAT International X-ray/Optical Survey (RIXOS): source catalogue. MASON K.O., CARRERA F.J., HASINGER G., et al.
2000MNRAS.311..833C 46 15 Far-infrared-loud quasars - I. Disturbed and quiescent quasars in the PG survey. CLEMENTS D.L.
2000MNRAS.318..693M 1 9 46 Two-dimensional modelling of optical Hubble Space Telescope and infrared tip-tilt images of quasar host galaxies. McLURE R.J., DUNLOP J.S. and KUKULA M.J.
2000PASP..112..148D 107 8 Diffuse X-ray emission in three poor clusters of galaxies. DAHLEM M. and THIERING I.
2000AN....321....1S viz 14       D               2100 219 The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS sources with PSPC countrate CR > 0.2/s. SCHWOPE A.D., HASINGER G., LEHMANN I., et al.
2000NewAR..44..415G 4 0 An exploratory study of the hard X-ray variability properties of PG quasars with RXTE. GUAINAZZI M., FIORE F., GIALLONGO E., et al.
2001A&A...367..470G 118 80 X-ray variability in a complete sample of soft X-ray selected AGN. GRUPE D., THOMAS H.-C. and BEUERMANN K.
2001AJ....121.1893E 20 48 Molecular gas in infrared-excess, optically selected and the quasars connection with infrared-luminous galaxies. EVANS A.S., FRAYER D.T., SURACE J.A., et al.
2001AJ....121.2843B viz 6250 77 Quasars in the 2MASS second incremental data release. BARKHOUSE W.A. and HALL P.B.
2001AJ....121.3286E 20 ~ Molecular gas in infrared-excess, optically selected quasars and the connection with infrared-luminous galaxies. EVANS A.S., FRAYER D.T., SURACE J.A., et al.
2001AJ....122.2791S 22 45 Optical and near-infrared imaging of infrared-excess Palomar-Green quasars. SURACE J.A., SANDERS D.B. and EVANS A.S.
2001ApJ...549..133G 62 84 On the origin of intrinsic narrow absorption lines in z≲1 QSOs. GANGULY R., BOND N.A., CHARLTON J.C., et al.
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