4C 12.40 , the SIMBAD biblio

4C 12.40 , the SIMBAD biblio (74 results) C.D.S. - SIMBAD4 rel 1.8 - 2024.04.24CEST14:52:08

Sort references on where and how often the object is cited
trying to find the most relevant references on this object.
More on score
Bibcode/DOI Score in Title|Abstract|
Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1973AJ.....78....1D 628 61 First results from the Texas interferometer: positions of 605 discrete sources. DOUGLAS J.N., BASH F.N., GHIGO F.D., et al.
1973AJ.....78..521W 180 87 Optical identifications of radio sources using accurate radio and optical positions. WILLS B.J., WILLS D. and DOUGLAS J.N.
1976AJ.....81..574P 412 12 Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objets. PACHT E.
1976AJ.....81..905U 232 35 Image-tube photometry of a complete sample of 4C radio sources. UOMOTO A.K., WILLS B.J. and WILLS D.
1979A&AS...37..551B 35 18 Survey of the optical variability of compact extragalactic objects. III. Objects from 23h to 11h. BARBIERI C., ROMANO G. and ZAMBON M.
1983AJ.....88..709H 343 145 Are wide-angle radio-tail QSOs members of clusters of galaxies ? I. VLA maps at 20 cm of 117 radio quasars. HINTZEN P., ULVESTAD J. and OWEN F.
1983MmSAI..54..617B 96 4 Optical variability of Quasi Stellar Objects. BARBIERI C., CRISTIANI S., NARDON G., et al.
1984AJ.....89..336W 298 21 Very long baseline interferometry observations of 257 extragalactic radio sources in the ecliptic region. WEHRLE A.E., MORABITO D.D. and PRESTON R.A.
1984AJ.....89.1275E 52 15 Alternating ejection in radio-loud quasars ? ENSMAN L.M. and ULVESTAD J.S.
1984MNRAS.208..231S 58 21 Extended radio jets and compact cores in quasars. SAIKIA D.J.
1988ApJ...329..122H 91 56 Radio evolution of quasars at z<1. HUTCHINGS J.B., PRICE R. and GOWER A.C.
1988MNRAS.233...87S 462 50 Cosmic evolution of the physical sizes of extragalactic radio sources and their luminosity-size correlation. SINGAL A.K.
1989ApJS...69....1H 1594 191 The first addition to the new optical catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1993ApJ...413..453N viz 541 81 On the redshift-apparent size diagram of double radio sources. NILSSON K., VALTONEN M.J., KOTILAINEN J., et al.
1993ApJS...86..365P 90 58 VLA observations of 91 quasars at 0.35 < z < 1. PRICE R., GOWER A.C., HUTCHINGS J.B., et al.
1993ApJS...87..451H viz 14       D               7278 328 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1994A&A...281..355B viz 342 112 The X-ray AGN content of the Molonglo 408 MHz survey : bulk properties of previously optically identified sources. BRINKMANN W., SIEBERT J. and BOLLER T.
1994ApJ...427..125L viz 111 11 Orientation modeling of radio galaxy and quasar properties: evidence for a unified model. LISTER M.L., HUTCHINGS J.B. and GOWER A.C.
1995A&AS..109..147B viz 629 94 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.
1996ApJS..105..369M viz 224 199 Galactic H I column densities toward quasars and active galactic nuclei. MURPHY E.M., LOCKMAN F.J., LAOR A., et al.
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.
1998A&AS..132...31N viz 613 24 Kinematical models of double radio sources and the unified scheme. II. The database. NILSSON K.
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.
2002ApJ...571..654D 167 15 A uniform analysis of the Lyα forest at z = 0-5. IV. The clustering and evolution of clouds at z ≤ 1.7. DOBRZYCKI A., BECHTOLD J., SCOTT J., et al.
2002ApJ...571..665S viz 179 60 A uniform analysis of the Lyα forest at z=0-5. V. The extragalactic ionizing background at low redshift. SCOTT J., BECHTOLD J., MORITA M., et al.
2002ApJ...581L..77K 29 5 Evidence of a strong N V/C IV correlation between emission and absorption lines in active galactic nuclei. KURASZKIEWICZ J.K. and GREEN P.J.
2002ApJS..140..143B viz 335 51 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.
2003A&A...412...45P viz 15       D               1 956205 750 HYPERLEDA. I. Identification and designation of galaxies. PATUREL G., PETIT C., PRUGNIEL P., et al.
2004ApJ...613..129W viz 15 36 Variability of narrow, associated absorption lines in moderate- and low-redshift quasars. WISE J.H., ERACLEOUS M., CHARLTON J.C., et al.
2004ApJS..150..165K viz 186 25 Emission line properties of active galactic nuclei from a Post-COSTAR Hubble Space Telescope faint object spectrograph spectral atlas. KURASZKIEWICZ J.K., GREEN P.J., CRENSHAW D.M., et al.
2006A&A...455..773V viz 108224 628 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
2006AJ....132.1475S viz 15       D               1747 4 Sloan digital sky survey active galactic nuclei with X-ray emission from ROSAT PSPC pointed observations. SUCHKOV A.A., HANISCH R.J., VOGES W., et al.
2007AJ....133..313A viz 15       D               1 7011 64 A large, uniform sample of x-ray-emitting active galactic nuclei from the ROSAT All Sky and Sloan Digital Sky Surveys: the Data Release 5 sample. ANDERSON S.F., MARGON B., VOGES W., et al.
2007AJ....134..102S viz 77435 419 The Sloan Digital Sky Survey quasar catalog. IV. Fifth data release. SCHNEIDER D.P., HALL P.B., RICHARDS G.T., et al.
2007ApJ...664...53A viz 31831 13 Photometric selection of QSO candidates from GALEX sources. ATLEE D.W. and GOULD A.
2008ApJ...680..169S viz 15       D               1 77431 447 Biases in virial black hole masses: an SDSS perspective. SHEN Y., GREENE J.E., STRAUSS M.A., et al.
2009A&A...505..385A viz 15       D               1 99836 35 The large quasar reference frame (LQRF). An optical representation of the ICRS. ANDREI A.H., SOUCHAY J., ZACHARIAS N., et al.
2010A&A...511A..53V viz 15       D               1 107940 39 The SPECFIND V2.0 catalogue of radio cross-identifications and spectra. SPECFIND meets the Virtual Observatory. VOLLMER B., GASSMANN B., DERRIERE S., et al.
2010AJ....139.2360S viz 80069 836 The Sloan Digital Sky Survey quasar catalog. V. Seventh data release. SCHNEIDER D.P., RICHARDS G.T., HALL P.B., et al.
2010A&A...518A..10V viz 15       D               1 168913 597 A catalogue of quasars and active nuclei: 13th edition. VERON-CETTY M.-P. and VERON P.
2011MNRAS.410..860A viz 15       D               2 86770 182 A strong redshift dependence of the broad absorption line quasar fraction. ALLEN J.T., HEWETT P.C., MADDOX N., et al.
2011AJ....141..182K viz 15       D               2 5750 38 Correlations of quasar optical spectra with radio morphology. KIMBALL A.E., IVEZIC Z., WIITA P.J., et al.
2011ApJS..194...45S viz 15       D               1 105786 1138 A catalog of quasar properties from Sloan Digital Sky Survey data release 7. SHEN Y., RICHARDS G.T., STRAUSS M.A., et al.
2011ApJS..196....2S 15       D               3 90 178 The next generation atlas of quasar spectral energy distributions from radio to X-rays. SHANG Z., BROTHERTON M.S., WILLS B.J., et al.
2011MNRAS.417.1210G viz 15       D               2 16849 120 DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. GIRVEN J., GANSICKE B.T., STEEGHS D., et al.
2012AJ....143..119I viz 15       D               1 50857 129 The Sloan Digital Sky Survey Quasar Lens Search. V. Final catalog from the seventh data release. INADA N., OGURI M., SHIN M.-S., et al.
2012MNRAS.422..478R 55       D     X         2 86 208 Updating quasar bolometric luminosity corrections. RUNNOE J.C., BROTHERTON M.S. and SHANG Z.
2012ApJ...753..106M viz 15       D               1 89523 227 A description of quasar variability measured using repeated SDSS and POSS imaging. MacLEOD C.L., IVEZIC Z., SESAR B., et al.
2012ApJS..201...38T 15       D               9 86 22 The optical and ultraviolet emission-line properties of bright quasars with detailed spectral energy distributions. TANG B., SHANG Z., GU Q., et al.
2013MNRAS.429..135R 16       D               2 54 28 The orientation dependence of quasar single-epoch black hole mass scaling relationships. RUNNOE J.C., BROTHERTON M.S., SHANG Z., et al.
2013ApJS..206....4K viz 16       D               1 119612 109 Mean spectral energy distributions and bolometric corrections for luminous quasars. KRAWCZYK C.M., RICHARDS G.T., MEHTA S.S., et al.
2013MNRAS.434..848R 16       D               2 86 28 Rehabilitating CIV-based black hole mass estimates in quasars. RUNNOE J.C., BROTHERTON M.S., SHANG Z., et al.
2013MNRAS.435.3251R 16       D               1 52 9 The orientation dependence of quasar spectral energy distributions. RUNNOE J.C., SHANG Z. and BROTHERTON M.S.
2013ApJ...779..161S viz 16       D               1 79596 24 Precious metals in SDSS quasar spectra. II. Tracking the evolution of strong, 0.4 < z < 2.3 Mg II absorbers with thousands of systems. SEYFFERT E.N., COOKSEY K.L., SIMCOE R.A., et al.
2014MNRAS.438.3263R 16       D               1 53 14 The behaviour of quasar Civ emission-line properties with orientation. RUNNOE J.C., BROTHERTON M.S., DIPOMPEO M.A., et al.
2014ApJS..212...15F viz 16       D               1 24940 60 A broadband polarization catalog of extragalactic radio sources. FARNES J.S., GAENSLER B.M. and CARRETTI E.
2014ApJ...795...63F viz 16       D               1 597 43 Faraday rotation from magnesium II absorbers toward polarized background radio sources. FARNES J.S., O'SULLIVAN S.P., CORRIGAN M.E., et al.
2014ApJS..215...14D viz 16       D               1 7883 110 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.
2015MNRAS.448.2260G viz 16       D               1 32939 53 A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10. GENTILE FUSILLO N.P., GANSICKE B.T. and GREISS S.
2015AJ....149..203K viz 16       D               1 35971 56 Mining for dust in type 1 quasars. KRAWCZYK C.M., RICHARDS G.T., GALLAGHER S.C., et al.
2015MNRAS.451.1290B 16       D               1 51 17 Bias in Civ-based quasar black hole mass scaling relationships from reverberation mapped samples. BROTHERTON M.S., RUNNOE J.C., SHANG Z., et al.
2015MNRAS.452.4153A viz 16       D               1 13140 10 Constraint on the time variation of the fine-structure constant with the SDSS-III/BOSS DR12 quasar sample. ALBARETI F.D., COMPARAT J., GUTIERREZ C.M., et al.
2016ApJ...818..113N viz 16       D               1 878 76 The H I content of the Universe over the past 10 GYRS. NEELEMAN M., PROCHASKA J.X., RIBAUDO J., et al.
2016MNRAS.461.2346G viz 16       D               1 68279 3 Covering factors of the dusty obscurers in radio-loud and radio-quiet quasars. GUPTA M., SIKORA M. and NALEWAJKO K.
2018ApJS..235...11C viz 16       D               1 190674 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.
2018AJ....155..189D viz 16       D               1 18896 7 The Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) Quasar Survey: quasar properties from data release two and three. DONG X.Y., WU X.-B., AI Y.L., et al.
2018A&A...613A..51P viz 16       D               1 525784 350 The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release. PARIS I., PETITJEAN P., AUBOURG E., et al.
2019AJ....157..126G viz 17       D               1 4305 35 Radio Galaxy Zoo: the distortion of radio galaxies by galaxy clusters. GARON A.F., RUDNICK L., WONG O.I., et al.
2020ApJS..249...17R viz 17       D               1 525797 112 Spectral properties of quasars from Sloan Digital Sky Survey data release 14: the catalog. RAKSHIT S., STALIN C.S. and KOTILAINEN J.
2020ApJS..250....8L viz 17       D               1 750060 219 The Sloan Digital Sky Survey quasar catalog: Sixteenth Data Release. LYKE B.W., HIGLEY A.N., McLANE J.N., et al.
2021ApJ...919...62R viz 17       D               1 547 ~ Orientation and accretion in a representative sample of active galactic nuclei. RUNNOE J.C. and BOROSON T.
2021A&A...655A..17S viz 17       D               1 338596 3 The SPECFIND V3.0 catalog of radio continuum cross-identifications and spectra: Reaching lower frequencies. STEIN Y., VOLLMER B., BOCH T., et al.
2021ApJ...922..202R viz 17       D               1 3512 ~ The dependence of the fraction of radio luminous quasars on redshift and its theoretical implications. RUSINEK-ABARCA K. and SIKORA M.
2022MNRAS.515.5836W 18       D               1 85 1 Comparison of the active galactic nuclei Baldwin effect with the modified Baldwin effect of the ultraviolet-optical emission lines in a single sample. WANG Y., LIU W., SHANG Z., et al.

goto View the references in ADS