US 939 , the SIMBAD biblio

US 939 , the SIMBAD biblio (54 results) C.D.S. - SIMBAD4 rel 1.8 - 2026.10.14CEST23:16:18

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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
1982ApJS...48...51U viz 14       D               551 28 Faint blue objects at high galactic latitude. II. Palomar Schmidt field centered on SA 29. USHER P.D., MATTSON D. and WARNOCK A.
1995A&AS..110..469B viz 292 80 AGN from the ROSAT all-sky survey. BADE N., FINK H.H., ENGELS D., et al.
1996A&AS..115...97V viz 927 30 Astrometry with the Digitized Sky Survey. Positions of 790 AGNs. VERON-CETTY M.-P. and VERON P.
1997A&AS..126..509M viz 579 8 Multiwavelength observations of the field HS 47.5/22 in Ursa Major. I. The X-ray catalogue of a medium deep ROSAT survey. MOLTHAGEN K., WENDKER H.J. and BRIEL U.G.
1998A&A...331..925M 13 9 RX J0947.0+4721 - an extremely soft Narrow Line QSO. MOLTHAGEN K., BADE N. and WENDKER H.J.
1998A&AS..128..507E viz 121 33 The Hamburg Quasar Survey. II. A first list of 121 quasars. ENGELS D., HAGEN H.-J., CORDIS L., et al.
2003A&A...406..535Z viz 15       D               1 10257 80 The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic latitude ROSAT Bright Source Catalogue X-ray sources. ZICKGRAF F.-J., ENGELS D., HAGEN H.-J., et al.
2004A&A...416...35W viz 2466 10 Radio emission from AGN detected by the VLA FIRST survey. WADADEKAR Y.
2004ApJS..153..119M viz 15       D               654 2 Faint blue objects at high galactic latitude. VIII. Performance characteristics of the US survey. MITCHELL K.J. and USHER P.D.
2005AJ....130..367S 46359 269 The Sloan Digital Sky Survey quasar catalog. III. Third data release. SCHNEIDER D.P., HALL P.B., RICHARDS G.T., et al.
2006A&A...455..773V viz 108223 628 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
2006AJ....131.2766R viz 15       D               15343 714 The Sloan Digital Sky Survey quasar survey: quasar luminosity function from Data Release 3. RICHARDS G.T., STRAUSS M.A., FAN X., et al.
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.
2006ApJS..166..128Z viz 15       D               1 2015 287 A comprehensive study of 2000 narrow line Seyfert 1 galaxies from the Sloan Digital Sky Survey. I. The sample. ZHOU H., WANG T., YUAN 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....133.1780T viz 15       D               6371 27 The UV properties of SDSS-selected quasars. TRAMMELL G.B., VANDEN BERK D.E., SCHNEIDER D.P., 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.
2008MNRAS.383..581D viz 15       D               448 146 Broad-line Balmer decrements in blue active galactic nuclei. DONG X., WANG T., WANG J., et al.
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.
2009ApJS..184..138H viz 15       D               2 20623 68 XID II: statistical cross-association of ROSAT bright source catalog X-ray sources with 2MASS point source catalog near-infrared sources. HAAKONSEN C.B. and RUTLEDGE R.E.
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.
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.
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.
2011ApJ...736...86D viz 15       D               1 3968 85 What controls the Fe II strength in active galactic nuclei? DONG X.-B., WANG J.-G., HO L.C., et al.
2011ApJ...737...71Z viz 15       D               1 1944 55 The blueshifting and Baldwin effects for the [O III] λ5007 emission line in type 1 active galactic nuclei. ZHANG K., DONG X.-B., WANG T.-G., et al.
2009RAA.....9..966L 15       D               1 241 2 Investigating the disk-corona relation in a blue AGN sample. LIU J.-Y. and LIU B.-F.
2012MNRAS.423..600S viz 15       D               1 3593 93 Type 1 AGN at low z. I. Emission properties. STERN J. and LAOR A.
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.
2013MNRAS.431..836S viz 15       D               1 3175 39 Type 1 AGN at low z - III. The optical narrow-line ratios. STERN J. and LAOR A.
2013ApJS..206....4K viz 15       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.
2014ApJ...788...45T viz 15       D               1 224166 54 Luminosity and redshift dependence of the covering factor of active galactic nuclei viewed with WISE and Sloan Digital Sky Survey. TOBA Y., OYABU S., MATSUHARA H., et al.
2015A&A...573A..76J viz 16       D               1 292 13 Statistical multifrequency study of narrow-line Seyfert 1 galaxies. JAERVELAE E., LAEHTEENMAEKI A. and LEON-TAVARES J.
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.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.
2015ApJ...815...91B viz 16       D               1 90 20 A deep search for faint galaxies associated with very low-redshift C IV absorbers. II. Program design, absorption-line measurements, and absorber statistics. BURCHETT J.N., TRIPP T.M., PROCHASKA J.X., 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.
2016ApJ...819..154L viz 16       D               2 2687 158 The tight relation between X-ray and ultraviolet luminosity of quasars. LUSSO E. and RISALITI G.
2017A&A...597A..79P viz 16       D               1 302147 367 The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release. PARIS I., PETITJEAN P., ROSS N.P., et al.
2017MNRAS.466..921C viz 16       D               1 1967 14 What sparks the radio-loud phase of nearby quasars? COZIOL R., ANDERNACH H., TORRES-PAPAQUI J.P., et al.
2017NewA...54...30C viz 16       D               1 995 ~ Infrared photometric study of SDSS selected narrow line Seyfert 1 galaxies. CHEN P.S., LIU J.Y. and SHAN H.G.
2018ApJS..234...16C viz 16       D               5 21282 ~ A catalog of quasar properties from the Baryon Oscillation Spectroscopic Survey. CHEN Z.-F., PAN D.-S., PANG T.-T., 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.
2018ApJ...866...33L viz 16       D               1 341 11 The COS CGM compendium. I. Survey design and initial results. LEHNER N., WOTTA C.B., HOWK J.C., et al.
2019ApJS..243...21L viz 16       D               1 14589 47 A comprehensive and uniform sample of broad-line active galactic nuclei from the SDSS DR7. LIU H.-Y., LIU W.-J., DONG X.-B., et al.
2020ApJS..249...17R viz 16       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..249...18C viz 16       D               1 781605 122 The Zwicky Transient Facility catalog of periodic variable stars. CHEN X., WANG S., DENG L., et al.
2020ApJS..250....8L viz 16       D               1 750061 219 The Sloan Digital Sky Survey quasar catalog: Sixteenth Data Release. LYKE B.W., HIGLEY A.N., McLANE J.N., et al.
2020A&A...642A.150L viz 16       D               1 2429 92 Quasars as standard candles. III. Validation of a new sample for cosmological studies. LUSSO E., RISALITI G., NARDINI E., et al.
2021A&A...645A..74R viz 17       D               1 83 ~ A search for X-ray absorbed sources in the 3XMM catalogue using photometric redshifts and Bayesian spectral fits. RUIZ A., GEORGANTOPOULOS I. and CORRAL A.
2021ApJ...912...91T viz 17       D               1 37181 25 How does the polar dust affect the correlation between dust covering factor and Eddington ratio in type 1 quasars selected from the Sloan Digital Sky Survey Data Release 16? TOBA Y., UEDA Y., GANDHI P., et al.
2022ApJ...932..118C viz 17       D               2 730182 4 Searching for Anomalies in the ZTF Catalog of Periodic Variable Stars. CHAN H.-S., VILLAR V.A., CHEUNG S.-H., et al.
2022MNRAS.515.5159P viz 17       D               1 22913 2 Connecting radio emission to AGN wind properties with broad absorption line quasars. PETLEY J.W., MORABITO L.K., ALEXANDER D.M., et al.
2023ApJS..265...25J viz 17       D               1 12814 1 The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) Quasar Survey: Quasar Properties from Data Releases 6 to 9. JIN J.-J., WU X.-B., FU Y., et al.

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