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Mrk 421 , the SIMBAD biblio

Mrk 421 , the SIMBAD biblio (2615 results) C.D.S. - SIMBAD4 rel 1.8 - 2023.10.02CEST00:20:54

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Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1974A&A....34..285C 69 4 4850-MHz observations of a sample radio sources identified with quasars. CROVISIER J. and LE SQUEREN A.M.
1975A&A....39..281V 1 6 50 Photographic photometry of five BL Lacertae-type objects. VERON P. and VERON M.P.
1975ApJ...201L.109M 74 T                   1 2 63
B2 1101+38: a BL Lacertae object. 		MILLER H.R.
1976A&AS...25..287V 68 T                   1 8 20 UBV sequences in the fields of
Mrk 421 and 501. 		VERON P. and VERON M.P.
1976AJ.....81....7S 63 40 Optical behavior of 64 extragalactic radio sources. SCOTT R.L., LEACOCK R.J., McGIMSEY B.Q., et al.
1976AJ.....81..574P 412 12 Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objets. PACHT E.
1976ApJ...205....1K 33 113 Photoelectric magnitudes and polarization data for possible BL Lacertae objects. KINMAN T.D.
1976MNRAS.177p...7E 4 ~ Ariel V sky survey: long-term monitoring of the X-ray emission from the Coma cluster and NGC 4151. ELVIS M.
1976IBVS.1156....1Z 68 T                   3 3
B2 1101+384 : variability and comparison stars. 		ZHUKOV G.V.
1978AJ.....83..451P 488 164 The 5-GHz strong source surveys. IV. Survey of the area between declination 35 and 70deg and summary of source counts, spectra and optical identifications. PAULINY-TOTH I.I.K., WITZEL A., PREUSS E., et al.
1978AJ.....83.1021M 74 T                   1 1 30 X-ray emission from BL-Lacertae objects. II. The nature of
Markarian 421. 		MARGON B., JONES T.W. and WARDLE J.F.C.
1978ApJ...221L...7A 1 4 33 Hard X-ray spectrum of NGC 4151. AURIEMMA G., ANGELONI L., BELLI B.M., et al.
1978ApJ...221..456C 75 153 Compact radio sources in and near bright galaxies. CONDON J.J. and DRESSEL L.L.
1978ApJ...222L...3U 9 39 Spectra of the stellar population in three objects related to BL Lacertae. ULRICH M.H.
1978ApJ...223L..67M 2 2 26 1418+54: a new, violently variable BL Lacertae object. MILLER H.R.
1978ApJ...223..282J 16 2 The proper-motion approach to counterparts of gamma-ray burst sources and high-latitude X-ray transient sources. JOHNSON H.M.
1978ApJS...38..357F viz 380 657 The fourth UHURU catalog of X-ray sources. FORMAN W., JONES C., COMINSKY L., et al.
1978MNRAS.182..489C viz 119 295 The Ariel V SSI catalogue of high galactic latitude (|b|>10) X-ray sources. COOKE B.A., RICKETTS M.J., MACCACARO T., et al.
1978AcA....28..367M viz 2023 27 The Green Bank second survey of extragalactic radio sources at 1400 MHz. The catalogue of sources. MACHALSKI J.
1979A&A....74L..11K 19 26 Westerbork observations of flat spectrum galaxies in the 5 GHz 'S4' survey. KAPAHI V.K.
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.
1979ApJ...232..649B 1 28 153 Galaxies and gamma-ray astronomy. BIGNAMI G.F., FICHTEL C.E., HARTMAN R.C., et al.
1979ApJ...233L..47R 2 3 30 The X-ray spectrum of the BL Lacertae object PKS 0548-322. RIEGLER G.R., AGRAWAL P.C. and MUSHOTZKY R.F.
1979ApJS...41..327A 467 26 A catalog of X-ray sources. AMNUEL P.R., GUSEINOV O.H. and RAKHAMINOV S.Y.
1979ApL....20...63C 2 5 High energy X-ray observations of BL Bac objects. COE M.J., DENNIS B.R., DOLAN J.F., et al.
1980AJ.....85..363L 52 39 Variable radio sources: 90-GHz flux densities. LANDAU R., EPSTEIN E.E. and RATHER J.D.G.
1980AJ.....85.1442P 105 93 Long-term optical behavior of 114 extragalactic sources. PICA A.J., POLLOCK J.T., SMITH A.G., et al.
1980AJ.....85.1462K 178 31 Radio survey of Markarian galaxies at 6 and 11 cm. KOJOIAN G., TOVMASSIAN H.M., DICKINSON D.F., et al.
1980AJ.....85.1555W 36 34 Optical polarimetry of quasi-stellar and BL Lac objects. WILLS D., WILLS B.J., BREGER M., et al.
1980ApJ...236...84P 11 22 A recent outburst of AO 0235+164. PICA A.J., SMITH A.G. and POLLOCK J.T.
1980ApJ...240..447P 6 29 IUE spectra of the jet and the nucleus of M 87. PEROLA G.C. and TARENGHI M.
1980ApJ...241...74M 71 T                   1 1 19 The continuous spectrum of
Markarian 421 during periods of X-ray satellite observations. 		MUFSON S.L., WISNIEWSKI W.Z., WOOD K., et al.
1980IUE2n......267B 7 ~ Observations of the star-like BL Lac object OI 090.4. BROMAGE G.E., BURTON W.M., PATCHETT B.E., et al.
1981A&A....96..316B 4 2 45 The radio fine structure of the BL Lac objects AO 0235+164, 0735+178, BL Lac, 1749+701, Mk 421 and 3C 66 A at 5 GHz. BAATH L.B., ELGERED G., LUNDQVIST G., et al.
1981A&A...103..342Z 21 29 Optical brightness variations of BL Lac objects. ZEKL H., KLARE G. and APPENZELLER I.
1981AJ.....86.1585H 23 12 An optical and X-ray survey of S- type Markarian galaxies. HUTTER D.J. and MUFSON S.L.
1981ApJ...243...53W 5 3 76 Variable X-ray spectra of BL Lacertae objects: HEAO 1 observations of PKS 0548-322 and 2A 1219+305. WORRALL D.M., BOLDT E.A., HOLT S.S., et al.
1981ApJ...243..690K 3 2 35 Quasi-simultaneous observations of BL Lac object Mrk 501 in X-ray, UV, visible, IR, and radio frequencies. KONDO Y., WORRALL D.M., MUSHOTZKY R.F., et al.
1981ApJ...243..700K 29 4 599 Relativistic jets as X-ray and gamma-ray sources. KOENIGL A.
1981ApJ...248L..61M 3 10 The detection of X-ray emission from the BL Lacertae object Markarian 180. MUFSON S.L. and HUTTER D.J.
1981MNRAS.194..987M 36 158 The variability of X-ray emission from active galaxies. MARSHALL N., WARWICK R.S. and POUNDS K.A.
1981MNRAS.197..627B 71 T                   1 1 14 Infrared and optical polarization of
Markarian 421. 		BAILEY J., CUNNINGHAM E.C., HOUGH J.H., et al.
1981MNRAS.197..893M 140 144 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..681M 3 5 99 The galaxy components of BL Lacertae objects, N systems, and quasi-stellar objects. MILLER J.S.
1982AJ.....87.1132M 246 23 A complete sample of intermediate-strength radio sources selected from the GB/GB2 1400-MHz surveys. I. Radio spectra and optical identifications of sources stronger than 0.55 Jy. MACHALSKI J. and MASLOWSKI J.
1982ApJ...253...38U 5 5 135 PKS 2155-304: relativistically beamed synchrotron radiation from a BL Lacertae object. URRY C.M. and MUSHOTZKY R.F.
1982ApJ...258...53H 71 T                   1 2 29 CCD photometry of
Markarian 421 and 501. 		HICKSON P., FAHLMAN G.G., AUMAN J.R., et al.
1982ApJ...261...12U 1 4 20 Ultraviolet and X-ray observations of the BL Lacertae PKS 0548-322. URRY C.M., MUSHOTZKY R.F., KONDO Y., et al.
1982MNRAS.199..611A 59 77 A complete sample of extragalactic radio sources at 1 Jy at 408 MHz -I. The radio observations. ALLINGTON-SMITH J.R.
1982MNRAS.201..331A 59 56 A complete sample of extragalactic radio sources at 1 Jy at 408 MHz. II. The optical observations. ALLINGTON-SMITH J.R., PERRYMAN M.A.C., LONGAIR M.S., et al.
1982ATsir1247....1M 69 T                   1 1 2 On the variability of the radio emission of
Markarian 421. 		MALUMIAN V.H.
1982ApL....23...17C 2 4 A search for short time variability in the radio emission from active galaxies. COE M.J., BOWRING S.R., HALL C.J., et al.
1982Ap&SS..82....3A 471 20 Second catalogue of X-ray sources. AMNUEL P.R., GUSEINOV O.H. and RAKHAMINOV S.Y.
1982SvA....26..371L 12 0 X-ray astronomy. LIPUNOV V.M. and SIL'CHENKO O.K.
1982IAUS...97..335A 15 4 Cm-wavelength fluxes and polarizations of compact extra-galactic X-ray sources. ALLER M.F., ALLER H.D. and HODGE P.E.
1982IUE82......335H 7 ~ Spectral anomalies in low-dispersion SWP images. HACKNEY R.L. and HACKNEY K.R.H.
1983A&A...119L...3S 14 33 A search for neutral hydrogen in radio galaxies. SHOSTAK G.S., VAN GORKOM J.H., EKERS R.D., et al.
1983A&A...125...52B 54 82 Super-Eddington luminosity characteristics of active galactic nuclei. BASSANI L., DEAN A.J. and SEMBAY S.
1983ApJ...264...92T 36 91 The absence of rapid X-ray variability in active galaxies. TENNANT A.F. and MUSHOTZKY R.F.
1983ApJ...266...18U 1 14 71 The arc second radio structure of 12 BL Lacertae objects. ULVESTAD J.S., JOHNSTON K.J. and WEILER K.W.
1983ApJ...266..459S 29 77 Studies of BL Lac objects with the Einstein X-ray Observatory : the absolute volume density. SCHWARTZ D.A. and KU W.H.M.
1983ApJ...268...68L 23 51 Extragalactic 1 mm sources: simultaneous observations at cm, mm and visual wavelengths. LANDAU R., JONES T.W., EPSTEIN E.E., et al.
1983ApJ...272...11P 131 88 Optical variability, absolute luminosity, and the Hubble diagram for QSOs. PICA A.J. and SMITH A.G.
1983ApJ...272..400H 27 43 An infrared and optical investigation of galactic nuclei with compact radio sources. HECKMAN T.M., LEBOFSKY M.J., RIEKE G.H., et al.
1983ApJ...275..467M 15 53 X-ray studies of BL Lacertae objects with the Einstein Observatory : confrontation with the synchrotron self-compton predictions. MADEJSKI G.M. and SCHWARTZ D.A.
1983ApJS...51....1N 118 78 HEAO A-2 soft X-ray source catalog. NUGENT J.J., JENSEN K.A., NOUSEK J.A., et al.
1983ApJS...52...89H viz 2405 825 A survey of galaxy redshifts. IV. The data. HUCHRA J., DAVIS M., LATHAM D., et al.
1983MNRAS.202..397I 8 11 Multiaperture infrared photometry of extragalactic radio sources. IMPEY C.D.
1983MNRAS.204p..23B 10 ~ Is it possible to turn an elliptical radio galaxy into a BL Lac object ? BROWNE I.W.A.
1983MNRAS.204..811C 88 56 Optical positions of Seyfert galaxies- II. CLEMENTS E.D.
1983MNRAS.205..875P 33 61 The Ariel V sky survey of fast-transient X-ray sources. PYE J.P. and McHARDY I.M.
1983PASP...95..724S 12 38 0.35-3.5 micron photometry of polarized QSOs. SITKO M.L., STEIN W.A. and ZHANG Y.-X.
1983PASP...95..842S 284 74 10.8-GHz flux density variations among a complete sample of sources from the NRAO-Bonn S4 survey. SEIELSTAD G.A., PEARSON T.J. and READHEAD A.C.S.
1983Afz....19..199H 71 T                   1 1 12 B2 1101+38 (
Mkn 421) polarization and photometric behaviour in the optical during 1974-1982. 		HAGEN-THORN V.A., MARCHENKO S.G., SMEHACHEVA R.I., et al.
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.
1983BAAS...15..876H 69 T                   1 3 1 Coordinated multifrequency observations and source models of the BL Lac Objects MRK 180,
MRK 421, and MRK 501. 		HUTTER D.J., MUFSON S.L., HACKNEY K.R., et al.
1983MmSAI..54..399M 24 2 Far ultraviolet observations of BL Lac objects. MARASCHI L., TANZI E.G. and TREVES A.
1984A&A...139...55F 145 49 Statistical properties of the radio cores in elliptical galaxies. FERETTI L., GIOVANNINI G., GREGORINI L., et al.
1984A&AS...58..317T 53 5 The radio emission of Markarian galaxies at lambda 11 cm. TOVMASSIAN H.M., SHERWOOD W.A., SHERWOOD V.E., et al.
1984AJ.....89..189U 19 37 A search for arcminute-scale radio emission in BL Lacertae objects. ULVESTAD J.S. and JOHNSTON K.J.
1984AJ.....89..203U 67 14 5-GHz observations of cores in extended radio galaxies. ULRICH M.-H. and MEIER D.L.
1984AJ.....89..441C 25 86 Continuum distributions of an X-ray observed sample of BL Lac objects. CRUZ-GONZALEZ I. and HUCHRA J.P.
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...279...93W 33 117 The radio morphology of blazars and relationships to optical polarization and to normal radio galaxies. WARDLE J.F.C., MOORE R.L. and ANGEL J.R.P.
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...284..519W 28 8 A search at the millijansky level for milli-arcsecond cores in a complete sample of radio galaxies. WHERLE A.E., PRESTON R.A., MEIER D.L., et al.
1984ApJ...287..633M 1 14 120 SAS 3 survey of the soft X-ray background. MARSHALL F.J. and CLARK G.W.
1984ApJS...56..507W viz 900 396 The HEAO A-1 X-ray source catalog. WOOD K.S., MEEKINS J.F., YENTIS D.J., et al.
1984MNRAS.209..665A 41 24 A complete sample of extragalactic radio sources at 1 Jy at 408 MHz -III. Estimated redshifts and radio luminosities. ALLINGTON-SMITH J.R.
1984MNRAS.209..697L 37 68 Optical monitoring of radio sources. LLOYD C.
1984IzKry..69...78E 93 1 The observations of extragalactic radio sources at 8.2 and 13.5 mm wavelengths. EFANOV V.A., MOISEEV I.G. and NESTEROV N.S.
1984MitAG..62..101B 17 0 First results from the X-ray satellite EXOSAT. BIERMANN P.
1984PAZh...10...90M 14 1 Observations of 15 radio galaxies from the Bologna survey with the radiotelescope RATAN-600. MALUMYAN V.G.
1984IAUS..110..127B 1 7 46 VLBI monitoring of BL Lac-objects. BAATH L.B.
1984IUE84......139U 4 ~ Very recent IUE observations of 2 BL Lacertae objects. URRY C.M., KONDO Y., HACKNEY K.R.H., et al.
1984IUE84......143M 69 T                   1 3 ~ Coordinated multifrequency observations of the BL Lac objects MRK 180,
MRK 421, and MRK 501. 		MUFSON S.L., HUTTER D.J., HACKNEY K.R., et al.
1985AJ.....90....5M 66 43 A complete sample of intermediate-strength radio sources selected from the GB/GB2 1400-MHz surveys. V. VLA observations of very extended and confused sources. MACHALSKI J. and CONDON J.J.
1985AJ.....90...30R 87 51 Alignment of radio and optical polarization with VLBI structure. RUSK R. and SEAQUIST E.R.
1985AJ.....90..973M 122 21 The GB/GB2 sample of 122 intermediate-strength radio galaxies. MACHALSKI J. and CONDON J.J.
1985AJ.....90.1599P 1228 160 A VLBI survey at 2.29 GHz. PRESTON R.A., MORABITO D.D., WILLIAMS J.G., et al.
1985ApJ...294..158A 1 55 261 Extended radio emission and the nature of blazars. ANTONUCCI R.R.J. and ULVESTAD J.S.
1985ApJ...297..199S 69 T                   1 2 5 Soft X-ray observations of two BL Lacertae objects:
Markarian 421 and 501. 		SINGH K.P. and GARMIRE G.P.
1985ApJ...298..630L 100 159 The radio-optical-X-ray spectral flux distributions of blazars. LEDDEN J.E. and O'DELL S.L.
1985ApJS...58..255M 18 53 UBVRI observations of BL Lacertae objects. MOLES M., GARCIA-PELAYO J.M., MASEGOSA J., et al.
1985ApJS...59..323S 1 25 111 Optical polarimetry of BL Lacertae objects and violent variable quasars. SITKO M.L., SCHMIDT G.D. and STEIN W.A.
1985ApJS...59..513A 106 411 Spectra and linear polarizations of extragalactic variable sources at centimeter wavelengths. ALLER H.D., ALLER M.F., LATIMER G.E., et al.
1985MNRAS.215...37L 59 57 Infrared observations of 1-jansky radio source identifications and empty fields. LILLY S.J., LONGAIR M.S. and ALLINGTON-SMITH J.R.
1985MNRAS.217..149E 85 59 A sample of 6C radio sources selected at the peak of the source counts -I. A search for extended sources and multifrequency radio observations. EALES S.A.
1985BAAS...17..757B 69 T                   1 1 1 Possibility of a 17,000 sec pulsation in the X-ray spectrum of the BL Lac object
Mkn 421. 		BRODIE J.P. and BOWYER S.
1985SSRv...40..597W 69 T                   1 1 3 EXOSAT observations of the BL Lac object
MKN 421. 		WARWICK R.S., McHARDY I. and POUNDS K.A.
1986A&A...162...16S 5 11 Wide-band X-ray observations of MK 501. STAUBERT R., BAZZANO A., UBERTINI P., et al.
1986A&AS...65..349P viz 1027 6 On the relation of Markarian galaxies with Zwicky clusters. I. Data. PETROSIAN A.R. and TURATTO M.
1986ApJ...301...50H 3 3 39 Application of a relativistic jet model to the study of BL Lacertae objects. HUTTER D.J. and MUFSON S.L.
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...305..369U 2 5 57 X-ray spectroscopy of five BL Lacertae objects. URRY C.M., MUSHOTZKY R.F. and HOLT S.S.
1986ApJ...310..317G 35 103 Spectral properties of blazars. I. Objects in the far-ultraviolet. GHISELLINI G., MARASCHI L., TANZI E.G., et al.
1986ApJ...311L..13T 1 5 25 Multifrequency observations of the blazar PKS 0537-441 in a moderately active state. TANZI E.G., BARR P., BOUCHET P., 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.
1986ApJS...62..751M 1524 187 A catalog of Markarian galaxies. MAZZARELLA J.M. and BALZANO V.A.
1986MNRAS.218..429S 50 22 Infrared photometry of the nuclei of early-type radio galaxies. SPARKS W.B., HOUGH J.H., AXON D.J., et al.
1986MNRAS.219...39W 71 T                   1 2 9 The X-ray spectrum and variability of
Markarian 421. 		WARWICK R.S., GEORGE I.M., McHARDY I., et al.
1986MNRAS.219..575C 68 32 Radio sources in giant E and SO galaxies. CORDEY R.A.
1986Afz....24...25J 14 2 A deficiency of normal elliptical galaxies among Markarian galaxies. JOEVEER M.M.
1986Ap&SS.124..407P 90 5 New galaxies with high surface brightness in the Nilson system. PETROV G.T.
1986Natur.320..421B 1 28 164 Limits of X-ray variability in active galactic nuclei. BARR P. and MUSHOTZKY R.F.
1986NIA86......523U 14 ~ Observations of active galactic nuclei with IUE and comparison with X-ray data. ULRICH M.H.
1987A&AS...67...17X 1 8 45 The optical variability of seven BL Lacertae objects. XIE G.-Z., LI K.-H., BAO M.-X., et al.
1987A&AS...69...57F 44 103 VLA observations of low luminosity radio galaxies. IV. The B2 sample revisited. FANTI C., FANTI R., DE RUITER H.R., et al.
1987A&AS...70..409S 40 75 Five years monitoring of extragalactic radio sources. I. Observations at 12,22 and 37 GHz. SALONEN E., TERASRANTA H., URPO S., et al.
1987AJ.....93....1B 87 102 An updated list of BL Lac objects, and their relation to galaxies and quasi stellar objects. BURBIDGE G. and HEWITT A.
1987ApJ...313..662M 120 T K                 1 1 61 Simultaneous multifrequency observations of the BL Lacertae object
Markarian 421. 		MAKINO F., TANAKA Y., MATSUOKA M., et al.
1987ApJ...318..175B 75 T                   1 1 21 Simultaneous multifrequency observations of
Markarian 421. 		BRODIE J., BOWYER S. and TENNANT A.
1987ApJS...65..603M viz 1269 233 A catalog of spectroscopically identified white dwarfs. McCOOK G.P. and SION E.M.
1987MNRAS.224..257M 43 46 Beaming in blazars. MADAU G., GHISELLINI G. and PERSIC M.
1987AnTok..21..363T viz 386 7 Kiso survey for ultraviolet-excess galaxies. VII. TAKASE B. and MIYAUCHI-ISOBE N.
1987PASJ...39..237K 72 T                   1 1 10 The underlying galaxy of the BL Lacertae object
Markarian 421. 		KIKUCHI S. and MIKAMI Y.
1987IAUS..121..325H 4 4 Polarimetric and photometric investigations of lacertids. HAGEN-THORN V.A. and YACOVLEVA V.A.
1987IAUS..127..427S 4 0 The discovery of blazar-type nuclei in two nearby radio ellipticals. SPARKS W.B., HOUGH J.C., BRINDLE C., et al.
1988A&A...199...73G 190 166 Radio nuclei in elliptical galaxies. GIOVANNINI G., FERETTI L., GREGORINI L., et al.
1988A&AS...72..163X 1 8 58 Optical behaviour of 8 BL Lac objects and the properties of their central nucleus. XIE G.-Z., LU R.-W., ZHOU Y., et al.
1988A&AS...72..347S 1 9 50 Optical monitoring of quasars and BL Lac objects. SILLANPAA A., HAARALA S. and KOHONEN T.
1988AJ.....95..307I 166 261 Energy distributions of blazars. IMPEY C.D. and NEUGEBAUER G.
1988AJ.....96...30C 179 153 Radio identifications of UGC galaxies: starbursts and monsters. CONDON J.J. and BRODERICK J.J.
1988AJ.....96.1215P 144 137 Long-term optical behavior of 144 compact extragalactic objects: 1969-1988. PICA A.J., SMITH A.G., WEBB J.R., et al.
1988ApJ...324.1056M 2 9 103 Astrophysical implications and observational prospects of X-ray polarimetry. MESZAROS P., NOVICK R., CHANAN G.A., et al.
1988ApJ...328..569U 5 13 Radio properties of the highly polarized, quiescent quasar OI 287. ULVESTAD J.S. and ANTONUCCI R.R.J.
1988ApJ...334..995B 5 4 Upper limits from hard X-ray observations of five BL Lacertae objects. BEZLER M., GRUBER D.E. and TORHSCHILD R.E.
1988ApJ...335..122F 6 16 Quasi-simultaneous ultravciolet optical and infrared observations of the BL Lacertae object PKS 0048-09. FALOMO R., BOUCHET P., MARASCHI L., et al.
1988MNRAS.230..131P 210 219 The cluster environments of powerful radio galaxies. PRESTAGE R.M. and PEACOCK J.A.
1988MNRAS.231.1065M 40 11 UBVRI photometry of bright GB/GB2 radio galaxies and quasars. MACHALSKI J. and WISNIEWSKI W.Z.
1988MNRAS.232..793G 17 1 68 X-ray and ultraviolet observations of Markarian 421. GEORGE I.M., WARWICK R.S. and BROMAGE G.E.
1988BAAS...20..741R 5 ~ Hard X-ray observations of five BL Lacertae objects. ROTHSCHILD R.E., GRUBER D.E. and BEZLER M.
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.
1988IUEEN..29...45. 439 0 Merged log of IUE observations.
1988IzKry..78..112M 168 2 High sensitivity observations at the wavelength 8,2 mm of complete sample of extragalactic radio sources. MOISEEV I.G., NESTEROV N.S., EFANOV S.V., et al.
1988JAVSO..17..150B 11 0 Variable star observing of quasars. BALONEK T.J.
1988MmSAI..59..277M 36 12 EXOSAT observations of BL Lac objects. MARASCHI L. and MACCAGNI D.
1988TokAB.281.3267K 10 18 The present status of the multi-channel polarimeter at Dodaira. KIKUCHI S.
1988IUE88...2..287G 6 ~ Ultra-violet and X-ray observations of BL Lac type objects. GEORGE I.M., WARWICK R.S. and BROMAGE G.E.
1988IUE88...2..293U 7 ~ Multifrequency spectra of BL Lac objects. URRY C.M., KONDO Y., MUFSON S.L., et al.
1988IUE88...2..383G 1 ~ Uncertainties in the UV continua of weak sources : a demonstration ofsystematics in the analysis of IUE images. GEORGE I.M.
1989A&A...220...89X 1 7 28 Determination of several parameters of BL Lacertae objects and relativistic beaming. XIE G.-Z., LU J.-F., WU J.-X., et al.
1989AJ.....97..708V 66 204 H I absorption in radio elliptical galaxies-evidence for infall. VAN GORKOM J.H., KNAPP G.R., EKERS R.D., et al.
1989AJ.....97..777E 174 366 Accurate galactic N H values towards quasars and AGN. ELVIS M., LOCKMAN F.J. and WILKES B.J.
1989AJ.....98..419V viz 1091 103 Structures, spectral indexes, and optical identifications of radio sources selected from the B3 catalogue. VIGOTTI M., GRUEFF G., PERLEY R., et al.
1989ApJ...341..733T 7 2 59 Simultaneous X-ray, ultraviolet and optical observations of the BL Lacertae object PKS 2155-304. TREVES A., MORINI M., CHIAPPETTI L., et al.
1989ApJ...344...57R 844 198 Groups of galaxies in the center for astrophysics redshift survey. RAMELLA M., GELLER M.J. and HUCHRA J.P.
1989ApJS...69....1H 1594 191 The first addition to the new optical catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1989AcApS...9..381X 4 0 Determination of mass and size of four BL Lac objects. XIE G.Z., YANG L.T., HAO P.J., et al.
1989ATsir1535....9M 70 T                   1 1 0 A radio halo of
Markarian 421. 		MALUMIAN V.H. and OHANIAN G.A.
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2002BASI...30..281L 73 T                   3 0 Observations of
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