Ton 618 , the SIMBAD biblio

Ton 618 , the SIMBAD biblio (257 results) C.D.S. - SIMBAD4 rel 1.7 - 2021.02.27CET09:30:14


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Title First 3 Authors
2020ApJ...889..152I 47           X         1 3 ~ What would happen if We were about 1 pc away from a supermassive black hole? IORIO L.
2020ApJ...896...82I 47           X         1 6 ~ Effects of general relativistic spin precessions on the habitability of rogue planets orbiting supermassive black holes. IORIO L.
2020ApJ...899...76J 47           X         1 6 ~ An extremely bright QSO at z = 2.89. JERAM S., GONZALEZ A., EIKENBERRY S., et al.
2019A&A...630A.101K viz 18       D               2 3584 ~ Realization of a multifrequency celestial reference frame through a combination of normal equation systems. KARBON M. and NOTHNAGEL A.
2019AJ....157..148G viz 242       D     X C       5 185 ~ The blueshift of the C IV broad emission line in QSOs. GE X., ZHAO B.-X., BIAN W.-H., et al.
2019ApJ...887..196F 18       D               1 177 ~ The REQUIEM survey. I. A search for extended Lyα nebular emission around 31 z > 5.7 quasars. FARINA E.P., ARRIGONI-BATTAIA F., COSTA T., et al.
2019ApJS..242....4D viz 18       D               1 9524 ~ Two new catalogs of blazar candidates in the WISE Infrared sky. D'ABRUSCO R., ALVAREZ CRESPO N., MASSARO F., et al.
2019ApJS..242....5X viz 18       D               1 3393 ~ Structure effects for 3417 Celestial Reference Frame radio sources. XU M.H., ANDERSON J.M., HEINKELMANN R., et al.
2019ApJS..245...23C 18       D               1 16 ~ Evolution of the cool gas in the circumgalactic medium of massive halos: a Keck Cosmic Web Imager survey of Lyα emission around QSOs at z ≃ 2. CAI Z., CANTALUPO S., PROCHASKA J.X., et al.
2019MNRAS.489.2536D 18       D               1 66 ~ Power spectrum of the flux in the Lyman-alpha forest from high-resolution spectra of 87 QSOs. DAY A., TYTLER D. and KAMBALUR B.
2018A&A...613A..51P viz 17       D               1 525779 26 The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release. PARIS I., PETITJEAN P., AUBOURG E., et al.
2018ApJ...852...22W viz 17       D               1 73 7 A new precision measurement of the small-scale line-of-sight power spectrum of the Lyα forest. WALTHER M., HENNAWI J.F., HISS H., et al.
2018ApJ...865...42H 17       D               1 73 11 A new measurement of the temperature-density relation of the IGM from Voigt profile fitting. HISS H., WALTHER M., HENNAWI J.F., et al.
2018ApJS..235...11C viz 17       D               1 98125 1 The associated absorption features in quasar spectra of the Sloan Digital Sky Survey. I. Mg II absorption doublets. CHEN Z.-F., HUANG W.-R., PANG T.-T., et al.
2017A&A...597A..79P viz 17       D               1 302146 153 The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release. PARIS I., PETITJEAN P., ROSS N.P., et al.
2017AJ....154..114O viz 17       D               2 298 12 The second data release of the KODIAQ survey. O'MEARA J.M., LEHNER N., HOWK J.C., et al.
2017ApJ...841..113M viz 17       D               1 2943 1 An investigation of blazars without redshifts: not a missing population at high redshift. MAO P. and URRY C.M.
2017ApJS..228...22L viz 17       D               1 1528 1 Korean VLBI Network Calibrator Survey (KVNCS). 1. Source catalog of KVN single-dish flux density measurement in the K and Q bands. LEE J.A., SOHN B.W., JUNG T., et al.
2017MNRAS.467.4565L viz 17       D               1 1193 4 Bimodal radio variability in OVRO-40 m-monitored blazars. LIODAKIS I., PAVLIDOU V., HOVATTA T., et al.
2016A&A...595A...5M viz 17       D               1 2192 30 Gaia Data Release 1. Reference frame and optical properties of ICRF sources. MIGNARD F., KLIONER S., LINDEGREN L., et al.
2016AJ....151..154G viz 17       D               1 2386 11 Second epoch VLBA Calibrator Survey observations: VCS-II. GORDON D., JACOBS C., BEASLEY A., et al.
2016ApJS..224...26M viz 17       D               1 2216 14 A comprehensive statistical description of radio-through-gamma-ray spectral energy distributions of all known blazars. MAO P., URRY C.M., MASSARO F., et al.
2015AJ....150...58F viz 16       D               1 3421 104 The second realization of the international celestial reference frame by very long baseline interferometry. FEY A.L., GORDON D., JACOBS C.S., et al.
2015AJ....150..111O viz 16       D               1 171 36 The first data release of the KODIAQ survey. O'MEARA J.M., LEHNER N., HOWK J.C., et al.
2015Ap&SS.357...75M viz 16       D               1 3562 75 The 5th edition of the Roma-BZCAT. A short presentation. MASSARO E., MASELLI A., LETO C., et al.
2015ApJ...805..124S 41           X         1 74 22 Weak emission-line quasars in the context of a modified Baldwin effect. SHEMMER O. and LIEBER S.
2015MNRAS.452..765G viz 16       D               1 1185 8 An independent test of the photometric selection of white dwarf candidates using LAMOST DR3. GENTILE FUSILLO N.P., REBASSA-MANSERGAS A., GANSICKE B.T., et al.
2014ApJS..213....3M viz 16       D               1 28358 19 The Low-frequency Radio Catalog of flat-spectrum sources. MASSARO F., GIROLETTI M., D'ABRUSCO R., et al.
2014ApJS..215...14D viz 16       D               1 7855 45 The WISE blazar-like radio-loud sources: an all-sky catalog of candidate γ-ray blazars. D'ABRUSCO R., MASSARO F., PAGGI A., et al.
2014MNRAS.438.3058R viz 16       D               1 1414 25 Connecting radio variability to the characteristics of gamma-ray blazars. RICHARDS J.L., HOVATTA T., MAX-MOERBECK W., et al.
2014MNRAS.439..690H viz 16       D               2 1318 31 Connection between optical and γ-ray variability in blazars. HOVATTA T., PAVLIDOU V., KING O.G., et al.
2013ApJ...764....9M viz 16       D               1 231 12 Mg II absorption at 2 < z < 6 with Magellan/FIRE. II. A longitudinal study of H I, metals, and ionization in galactic halos. MATEJEK M.S., SIMCOE R.A., COOKSEY K.L., et al.
2013MNRAS.435.1300G viz 16       D               1 78 21 Improved characterization of intranight optical variability of prominent AGN classes. GOYAL A., GOPAL-KRISHNA, WIITA P.J., et al.
2012A&A...544A..37G 175       D     X   F     4 29 29 Intra-night optical variability of core dominated radio quasars: the role of optical polarization. GOYAL A., GOPAL-KRISHNA, WIITA P.J., et al.
2012ApJ...751...52E viz 16       D               1 4326 40 Reliable identifications of active galactic nuclei from the WISE, 2MASS, and ROSAT all-sky surveys. EDELSON R. and MALKAN M.
2012MNRAS.422.3370K viz 16       D               2 127 155 Spatial variation in the fine-structure constant - new results from VLT/UVES. KING J.A., WEBB J.K., MURPHY M.T., et al.
2011AJ....142...89P viz 16       D               1 858 22 Precise absolute astrometry from the VLBA imaging and polarimetry survey at 5 GHz. PETROV L. and TAYLOR G.B.
2011ApJ...736...42R viz 16       D               2 203 55 A Hubble space telescope study of Lyman limit systems: census and evolution. RIBAUDO J., LEHNER N. and HOWK J.C.
2011ApJS..194...29R viz 16       D               1 1164 227 Blazars in the Fermi era: the OVRO 40 m telescope monitoring program. RICHARDS J.L., MAX-MOERBECK W., PAVLIDOU V., et al.
2011MNRAS.410.1096B 17       D               1 61 177 Detection of extended He II reionization in the temperature evolution of the intergalactic medium. BECKER G.D., BOLTON J.S., HAEHNELT M.G., et al.
2010A&A...511A..53V viz 16       D               1 107466 32 The SPECFIND V2.0 catalogue of radio cross-identifications and spectra. SPECFIND meets the Virtual Observatory. VOLLMER B., GASSMANN B., DERRIERE S., et al.
2010A&A...518A..10V viz 16       D               1 168912 373 A catalogue of quasars and active nuclei: 13th edition. VERON-CETTY M.-P. and VERON P.
2009A&A...495..691M viz 15       D               2 3203 187 Roma-BZCAT: a multifrequency catalogue of blazars. MASSARO E., GIOMMI P., LETO C., et al.
2009A&A...505..385A viz 15       D               1 99836 26 The large quasar reference frame (LQRF). An optical representation of the ICRS. ANDREI A.H., SOUCHAY J., ZACHARIAS N., et al.
2009MmSAI..80..833M viz 15       D               2 77 7 Keck constraints on a varying fine-structure constant: wavelength calibration errors. MURPHY M.T., WEBB J.K. and FLAMBAUM V.
2009NewA...14...88G 193     A D     X C       5 7 4 Quasi-simultaneous two band optical micro-variability of luminous radio-quiet QSOs. GUPTA A.C. and YUAN W.
2008ApJS..175...97H viz 15       D               1 1626 135 CGRaBS: an all-sky survey of gamma-ray blazar candidates. HEALEY S.E., ROMANI R.W., COTTER G., et al.
2008MNRAS.386.1557C 38           X         1 19 21 The nature of the intranight variability of radio-quiet quasars. CZERNY B., SIEMIGINOWSKA A., JANIUK A., et al.
2007A&A...468..979M 131       D   O X         4 51 136 Dust covering factor, silicate emission, and star formation in luminous QSOs. MAIOLINO R., SHEMMER O., IMANISHI M., et al.
2007AJ....133..303C viz 15       D               117 28 Optical microvariability in radio-quiet quasars. CARINI M.T., NOBLE J.C., TAYLOR R., et al.
2007ApJ...662...72B viz 16       D               55 180 The evolution of optical depth in the Lyα forest: evidence against reionization at z∼6. BECKER G.D., RAUCH M. and SARGENT W.L.W.
2007ApJ...669...74L 15       D               2 128 2 A subset of quasars identified by large values of their Doppler redshift. LU L.-Z., QIN Y.-P. and GUPTA A.C.
2006A&A...455..773V viz 108221 545 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
2006MNRAS.371..356C 39 25 The detectability of HI 21-cm absorption in damped Lyman α systems. CURRAN S.J. and WEBB J.K.
2005A&A...434..543B 41 1 Can hidden correlations mimic a variable fine structure constant? BANDIERA R. and CORBELLI E.
2005A&A...440..855G 1 16 38 Intra-night optical variability of luminous radio-quiet QSOs. GUPTA A.C. and JOSHI U.C.
2005MNRAS.356.1509C 44 34 Spin temperatures and covering factors for HI 21-cm absorption in damped Lyman α systems. CURRAN S.J., MURPHY M.T., PIHLSTROEM Y.M., et al.
2004A&A...414..487V viz 264 6 Optically bright active galactic nuclei in the ROSAT-Faint source catalogue. VERON-CETTY M.-P., BALAYAN S.K., MICKAELIAN A.M., et al.
2004A&A...418..357K viz 15       D               1 58545 7 The Pul-3 catalogue of 58483 stars in the Tycho-2 system. KHRUTSKAYA E.V., KHOVRITCHEV M.Y. and BRONNIKOVA N.M.
2004AJ....128.1058T 85 18 The Kast ground-based ultraviolet spectral survey of 79 quasi-stellar objects at redshift 2 for Lyα forest and metal absorption. TYTLER D., O'MEARA J.M., SUZUKI N., et al.
2004ApJ...614..547S 1 28 111 Near-infrared spectroscopy of high-redshift active galactic nuclei. I. A metallicity-accretion rate relationship. SHEMMER O., NETZER H., MAIOLINO R., et al.
2004ApJ...614..558N 1 30 75 Near-infrared spectroscopy of high-redshift active galactic nuclei. II. Disappearing narrow-line regions and the role of accretion. NETZER H., SHEMMER O., MAIOLINO R., et al.
2004JApA...25....1S 34 32 Optical variability properties of high luminosity AGN classes. STALIN C.S., GOPAL-KRISHNA, SAGAR R., et al.
2004MNRAS.348..176S 1 12 42 Intranight optical variability of blazars. SAGAR R., STALIN C.S., GOPAL-KRISHNA, et al.
2003A&A...412..707R viz 829 11 A catalogue of absorption-line systems in QSO spectra. RYABINKOV A.I., KAMINKER A.D. and VARSHALOVICH D.A.
2003ApJ...591...43V 36 16 Decline of the space density of quasars between z = 2 and z = 4. VIGOTTI M., CARBALLO R., BENN C.R., et al.
2003ApJ...593L..11Y 38 37 Eddington accretion and QSO emission lines at z∼2. YUAN M.J. and WILLS B.J.
2003BASI...31..265S 27 0 A comparative study of intra-night optical micro-variability of high luminosity AGN classes. STALIN C.S.
2003MNRAS.340..525D 16 9 Statistical characteristics of the observed Ly-α forest and the shape of initial power spectrum. DEMIANSKI M., DOROSHKEVICH A.G. and TURCHANINOV V.
2003MNRAS.345..609M viz 2 70 375 Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra. MURPHY M.T., WEBB J.K. and FLAMBAUM V.V.
2003MNRAS.346.1103P viz 676 169 The evolution of ΩHIand the epoch of formation of damped Lyman α absorbers. PEROUX C., McMAHON R.G., STORRIE-LOMBARDI L.J., et al.
2002ApJS..140..143B viz 335 47 A uniform analysis of the Lyα forest at z = 0-5. III. Hubble Space Telescope faint object spectrograph spectral atlas. BECHTOLD J., DOBRZYCKI A., WILDEN B., et al.
2002ApJS..141...13B viz 1502 201 The VLBA calibrator Survey–VCS1. BEASLEY A.J., GORDON D., PECK A.B., et al.
2002MNRAS.329..700S viz 1288 23 Automated optical identification of a large complete northern hemisphere sample of flat-spectrum radio sources with S6cm>200mJy. SNELLEN I.A.G., McMAHON R.G., HOOK I.M., et al.
2002PASA...19..455C viz 237 30 A catalogue of damped Lyman alpha absorption systems and radio flux densities of the background quasars. CURRAN S.J., WEBB J.K., MURPHY M.T., et al.
2001A&A...367..381H 92 73 Confirmation of the existence of coherent orientations of quasar polarization vectors on cosmological scales. HUTSEMEKERS D. and LAMY H.
2001A&A...375..739D viz 268 166 Hard X-ray properties of blazars. DONATO D., GHISELLINI G., TAGLIAFERRI G., et al.
2001ApJ...547..635R 146 20 Quasar absorption lines as a function of quasar orientation measures. RICHARDS G.T., LAURENT-MUEHLEISEN S.A., BECKER R.H., et al.
2001ApJ...562..641B 3 7 68 High-redshift superwinds as the source of the strongest Mg II absorbers: a feasibility analysis. BOND N.A., CHURCHILL C.W., CHARLTON J.C., et al.
2001KFNT...17c.223N 10 ~ On the metal enrichment of L-alpha clouds. NYKYTYUK T.V.
2001MNRAS.327.1208M 3 27 254 Possible evidence for a variable fine-structure constant from QSO absorption lines: motivations, analysis and results. MURPHY M.T., WEBB J.K., FLAMBAUM V.V., et al.
2000A&A...363..141R viz 752 25 Radio-loud active galaxies in the northern ROSAT All-Sky Survey. IV. Properties of sources stronger than 100 mJy at 5 GHz. REICH W., FUERST E., REICH P., et al.
2000AJ....120.2859N 12 23 Red quasars and quasar evolution: the case of BAL QSO FIRST J155633.8+351758. NAJITA J., DEY A. and BROTHERTON M.
2000ApJ...534...41R 2 21 186 The evolution of the effective equation of state of the intergalactic medium. RICOTTI M., GNEDIN N.Y. and SHULL J.M.
2000ApJ...543..552S viz 636 217 Surveys for z>3 damped Lyα absorption systems: the evolution of neutral gas. STORRIE-LOMBARDI L.J. and WOLFE A.M.
2000ApJS..126..133W viz 1239 256 The FIRST bright quasar survey. II. 60 nights and 1200 spectra later. WHITE R.L., BECKER R.H., GREGG M.D., et al.
2000ApJS..130...67S 103 138 A uniform analysis of the Lyα forest at z=0-5. II. Measuring the mean intensity of the extragalactic ionizing background using the proximity effect. SCOTT J., BECHTOLD J., DOBRZYCKI A., et al.
2000MNRAS.311..456M viz 481 83 The ROSAT International X-ray/Optical Survey (RIXOS): source catalogue. MASON K.O., CARRERA F.J., HASINGER G., et al.
2000MNRAS.318.1177D 14 6 Redshift distribution of Lyα lines and metal systems. DEMIANSKI M., DOROSHKEVICH A.G. and TURCHANINOV V.
2000MNRAS.318.1189D 14 2 Properties of the observed Lyα forest. DEMIANSKI M., DOROSHKEVICH A.G. and TURCHANINOV V.
1999A&A...349L..29D 6 14 HS1603+3820: a bright zem=2.51 quasar with a very rich heavy element absorption spectrum. DOBRZYCKI A., ENGELS D. and HAGEN H.-J.
1999AJ....118.1435W viz 382 10 A study of quasar radio emission from the VLA FIRST survey. WADADEKAR Y. and KEMBHAVI A.
1999Ap&SS.269..639D 5 2 The origin of QSO MgII lambda 2796 lines. DANKS A.C.
1999ApJ...514...40M 33 57 A statistical study of rest-frame optical emission properties in luminous quasars at 2.0≤z≤2.5. McINTOSH D.H., RIEKE M.J., RIX H.-W., et al.
1999ApJS..120...51C 1 27 134 The population of weak Mg II absorbers. I. A survey of 26 QSO HIRES/Keck Spectra. CHURCHILL C.W., RIGBY J.R., CHARLTON J.C., et al.
1999MNRAS.309..576A 14 0 The power spectrum of the Lyman-α clouds. AMENDOLA L. and SAVAGLIO S.
1998AJ....115.2237M 12 15 Near-infrared spectroscopy of the high-redshift quasar S4 0636+68 at z = 3.2. MURAYAMA T., TANIGUCHI Y., EVANS A.S., et al.
1998AcApS..18..253G 11 0 Kinematics of relativistic ejection with Hubble flow. III. Applicators to find out the observable wavelength of the counterjet of superluminals and to search for blue-shifted lines of quasars. GONG S.-M.
1998MNRAS.300..790W viz 541 117 Interferometer phase calibrations sources - III. The regions +20deg ≤ delB1950 ≤ +35deg and +75deg ≤ delB1950 ≤ +90deg . WILKINSON P.N., BROWNE I.W.A., PATNAIK A.R., et al.
1997A&A...319..413B viz 649 106 Broad band energy distribution of ROSAT detected quasars. I. Radio-loud objects. BRINKMANN W., YUAN W. and SIEBERT J.
1997ApJ...476..464T 10 26 Light-element abundances from z = 0 to z = 5. TIMMES F.X., TRURAN J.W., LAUROESCH J.T., et al.
1997JApA...18..133D 9 2 Intergalactic UV background radiation field. DAS S. and KHARE P.
1997KFNT...13e..70R viz 50931 3 GPM - compiled catalogue of absolute proper motions of stars in selected areas of sky with galaxies. RYBKA S.P. and YATSENKO A.I.
1997MNRAS.285..167K 72 T                   9 23 The Lyman alpha forest towards
B2 1225+317.
KHARE P., SRIANAND R., YORK D.G., 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.
1997PASJ...49..419T 10 8 The most distant [O III]-emitting quasar PKS 1937-101 at redshift 3.8. TANIGUCHI Y., MURAYAMA T., KAWARA K., et al.
1996AJ....112...62T viz 227 6 A study of quasar absorption-line systems with IRAS. TANNER A.M., BECHTOLD J., WALKER C.E., et al.
1996ApJ...467L...5R 4 4 55 Temperature and kinematics of C IV absorption systems. RAUCH M., SARGENT W.L.W., WOMBLE D.S., et al.
1996MNRAS.280..767S 66 17 Analysis of Ly-alpha absorption lines in the vicinity of QSOs. SRIANAND R. and KHARE P.
1996PASP..108..641L 25 70 QSO absorption line systems and early chemical evolution. LAUROESCH J.T., TRURAN J.W., WELTY D.E., et al.
1995A&A...295..309B 7 14 ROSAT spectra of quasars. BUEHLER P., COURVOISIER T.J.-L., STAUBERT R., et al.
1995A&A...297..671D 72 4 Quasar absorption lines. I. The chemical composition of the absorbing clouds. DITTMANN O.J. and KOEPPEN J.
1995A&A...299..641R 50 5 The redshift distribution of the Lyman-α forest clouds revisited. ROESER H.-J.
1995A&AS..109..147B viz 628 91 The ROSAT AGN content of the 87GB 5 GHz survey: bulk properties of previously optically identified sources. BRINKMANN W., SIEBERT J., REICH W., et al.
1995AJ....109.1555P 148 22 The extended morphology of ultraluminous radio cores. PUNSLY B.
1995AcASn..36..367L 72 0 The properties of Ly-alpha absorption lines of QSOs. LU J.-L. and HUANG K.-L.
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 239 311 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...444...64S 182 107 The Hubble Space Telescope quasar absorption line key project. V. Redshift evolution of Lyman limit absorption in the spectra of a large sample of quasars. STENGLER-LARREA E.A., BOKSENBERG A., STEIDEL C.C., et al.
1995ApJ...455L.115M 95 40 Limits on dust in rich clusters of galaxies from the color of background quasars. MAOZ D.
1995MNRAS.273.1069T 78 20 Quasar-galaxy associations. THOMAS P.A., WEBSTER R.L. and DRINKWATER M.J.
1994AcASn..35..258H 7 0 Evolution of Ly-alpha forest. HUANG K.-L. and ZHOU H.-N.
1994ApJ...428...82S 15 15 Halo model for intermediate-redshift quasar absorption systems. SRIANAND R. and KHARE P.
1994ApJS...91....1B 76 196 The Lyman-Alpha forest near 34 quasi-stellar objects with z > 2.6. BECHTOLD J.
1994ApJS...92...53W viz 515 191 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.
1994IAUS..159..369B 7 0 Rosat spectra of quasars. BUHLER P., COURVOISIER T.J.L., STAUBERT R., et al.
1994IAUS..159..509H 6 0 The redshift distribution of Ly alpha forest lines in spectra of QSO's. HUANG K. and ZHOU H.
1993AJ....105....7Y 112 37 A high-resolution gravitational lens survey. YEE H.K.C., FILIPPENKO A.V. and TANG D.
1993AJ....105.2064S 452 57 Gravitatioanl lensing statistics based on a large sample of highly luminous quasars. SURDEJ J., CLAESKENS J.F., CRAMPTON D., et al.
1993AJ....106..848D viz 69 13 On the nature of MgII absorption line systems in quasars. DRINKWATER M.J., WEBSTER R.L. and THOMAS P.A.
1993AcApS..13..125L 228 1 Studies of CIV associated absorption systems of QSOs (I) Samples. LI Y. and CHEN J.-S.
1993ApJ...414L...1H 39   K                 4 36 Optical lines in high-redshift quasi-stellarobjects : Balmer lines, [O III], and Fe II. HILL G.J., THOMPSON K.L. and ELSTON R.
1993ApJ...415..517Z 140 54 Does a luminosity-dependent continuum shape cause the Baldwin effect? ZHENG W. and MALKAN M.A.
1993ApJ...415..534G 15 13 The origin of Mg II absorption-line systems of quasi-stellar objects. GRUENWALD R. and VIEGAS S.M.
1993ApJS...87..451H viz 14       D               7278 308 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1993ChA&A..17..161L 226 0 Studies of CIV associated absorption systems of QSOs. (I) Samples. LI Y. and CHEN J.-S.
1993RMxAA..27..145H 4 0 Infrared spectroscopy of high redshift QSOs. HILL G.J.
1992ApJ...391..577C 17 28 Comparisons of the emission-line properties of radio-loud and radio-quiet QSOs at high redshift. CORBIN M.R.
1992ApJ...395...21C 6 1 QSO absorbers: evidence for a primeval galaxy population. CHOKSHI A.
1992ApJ...398..454W 267 166 A survey for high optical polarization in quasars with core-dominant radio structure: is there a beamed optical continuum ? WILLS B.J., WILLS D., BREGER M., et al.
1992ApJ...400..435K 78 66 Search for partial systemic Lyman edges in nearby quasars. KORATKAR A.P., KINNEY A.L. and BOHLIN R.C.
1992ApJS...80....1S 103 293 Mg II absorption in the spectra of 103 QSOs: implications for the evolution of gas in high-redshift galaxies. STEIDEL C.C. and SARGENT W.L.W.
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..614B 18 39 Extended optical emission around radio-loud quasar at z 1. BREMER M.N., CRAWFORD C.S., FABIAN A.C., et al.
1991Ap&SS.180..113Y 20 ~ A new examination of absorption line density in the L-alpha forest of QSOs. YULIN B.
1991ApJ...367...19L 1 37 194 The redshift distribution of Ly-alpha clouds and the proximity effect. LU L., WOLFE A.M. and TURNSHEK D.A.
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1989AISAO..27...84N 25 0 Of the nature of unidentified absorption lines in QSO spectra. NAZAROV E.A.
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