LEDA 26550 , the SIMBAD biblio

LEDA 26550 , the SIMBAD biblio (84 results) C.D.S. - SIMBAD4 rel 1.8 - 2024.05.09CEST10:47:31

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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
1981ApJ...243L...5C 19 89 Optical identification of serendipitous Einstein sources: 19 X-ray-selected active galactic nuclei. CHANAN G.A., MARGON B. and DOWNES R.A.
1984ApJ...280...66M 28 65 The underlying galaxies of X-ray-selected quasars. MALKAN M.A., MARGON B. and CHANAN G.A.
1985ApJS...59...23M 62 39 An atlas of X-ray-selected quasi-stellar objects. MARGON B., DOWNES R.A. and CHANAN G.A.
1985Ap&SS.115..107S 168 1 Redshifts of the brightest X-ray QSO's. SAPRE A.K. and MISHRA V.D.
1986ApJ...304..318C 108 43 X-ray-selected M dwarfs and the diffuse X-ray background. CAILLAULT J.-P., HELFAND D.J., NOUSEK J.A., et al.
1988SoSAO..55....5L viz 943 33 A catalogue of Seyfert galaxies. LIPOVETSKY V.A., NEIZVESTNY S.I. and NEIZVESTNAYA O.M.
1989AJ.....97...10S 97 79 Optical spectroscopy of X-ray-selected active galactic nuclei. STEPHENS S.A.
1990ApJS...72..567G viz 872 653 The Einstein Observatory extended medium-sensitivity survey. I. X-ray data and analysis. GIOIA M., MACCACARO T., SCHILD R.E., et al.
1991A&A...242...49J 191 60 Relationship between Fe II and radio emission in active galactic nuclei. JOLY M.
1991ApJS...76..813S viz 14       D               1 855 870 The Einstein Observatory extended medium-sensitivity survey. II. The optical identifications. STOCKE J.T., MORRIS S.L., GIOIA I.M., et al.
1993ApJ...406..451L 31 71 Extreme optical Fe II emission in luminous IRAS active galactic nuclei. LIPARI S., TERLEVICH R. and MACCHETTO F.
1993ApJS...87..451H viz 14       D               7278 328 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1996A&A...305...53B 4 46 683 Soft X-ray properties of narrow-line Seyfert 1 galaxies. BOLLER T., BRANDT W.N. and FINK H.
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.
1996MNRAS.282..477C 63 17 The X-ray spectral properties of X-ray-selected AGN: ROSAT spectra of EMSS AGN. CILIEGI P. and MACCACARO T.
1997MNRAS.292..338C 17 3 The X-ray flux and spectral variability of the Einstein Extended Medium Sensitivity Survey AGN. CILIEGI P. and MACCACARO T.
1998A&A...333..827G 63 44 Scattering and absorption in soft X-ray selected AGN: an optical polarization survey. GRUPE D., WILLS B.J., WILLS D., et al.
2000A&AS..147..169B viz 2737 21 Accurate optical positions for 2978 objects from the Second Byurakan Survey (SBS) with the Digitized Sky Survey. BICAY M.D., STEPANIAN J.A., CHAVUSHYAN V.H., et al.
2000AJ....119.2540G viz 520 29 The Asiago-ESO/RASS QSO survey. I. The catalog and the local QSO luminosity function. GRAZIAN A., CRISTIANI S., D'ODORICO V., et al.
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.
2000Ap.....43..141E 30 1 Sizes of active galaxies. ERASTOVA L.K.
2001ApJ...546..744N 137 36 The narrow-line region of Seyfert galaxies: narrow-line Seyfert 1 galaxies versus broad-line Seyfert 1 galaxies. NAGAO T., MURAYAMA T. and TANIGUCHI Y.
2001MNRAS.327..673V 111 23 A complete sample of Seyfert galaxies selected at 0.25 keV. VAUGHAN S., EDELSON R., WARWICK R.S., et al.
2002ChJAA...2..207C 25 6 The variability of hardness ratio 1 observed by ROSAT : narrow-line Seyfert 1 galaxies versus broad-line Seyfert 1 galaxies. CHENG L.-P., WEI J.-Y. and ZHAO Y.-H.
2003A&A...406..535Z viz 15       D               1 10290 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.
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.
2003ApJ...588..746S 33 15 A multiwavelength study of narrow-line Seyfert 1 galaxies from the second Byurakan survey. STEPANIAN J.A., BENITEZ E., KRONGOLD Y., et al.
2004A&A...416...35W viz 2466 10 Radio emission from AGN detected by the VLA FIRST survey. WADADEKAR Y.
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.
2005RMxAA..41..155S viz 3231 23 The Second Byurakan Survey. General Catalogue. STEPANIAN J.A.
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.
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....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...670...60X 1 6 18 The narrow-line region of narrow-line and broad-line type 1 active galactic nuclei. I. A zone of avoidance in density. XU D., KOMOSSA S., ZHOU H., 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.
2008ApJ...680..926K 208   K   D     X C       5 15 167 On the nature of Seyfert galaxies with high [O III] λ5007 blueshifts. KOMOSSA S., XU D., ZHOU H., et al.
2008ApJ...687...78H viz 15       D               1 4041 125 A systematic analysis of Fe II emission in quasars: evidence for inflow to the central black hole. HU C., WANG J.-M., HO L.C., et al.
2009A&A...495..421B viz 15       D               160 187 CAIXA: a catalogue of AGN in the XMM-Newton archive. I. Spectral analysis. BIANCHI S., GUAINAZZI M., MATT G., et al.
2009ApJS..183...17Y viz 15       D               2 796 66 The Fifth Data Release Sloan Digital Sky Survey/XMM-Newton Quasar Survey. YOUNG M., ELVIS M. and RISALITI G.
2009ApJS..184..138H viz 15       D               1 20664 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.
2010ApJS..189...15K viz 15       D               1 308 170 Analysis of optical Fe II emission in a sample of active galactic nucleus spectra. KOVACEVIC J., POPOVIC L.C. and DIMITRIJEVIC M.S.
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.
2010A&A...519A..17V viz 15       D               1 243 26 Variability and the X-ray/UV ratio of active galactic nuclei. VAGNETTI F., TURRIZIANI S., TREVESE D., et al.
2011ApJ...727...31A 477       D     X C       12 16 39 X-ray properties of narrow-line Seyfert 1 galaxies with very small broadline widths. AI Y.L., YUAN W., ZHOU H.Y., et al.
2011A&A...527A.126P viz 15       D               1 16772 65 Cross-correlation of the 2XMMi catalogue with Data Release 7 of the Sloan Digital Sky Survey. PINEAU F.-X., MOTCH C., CARRERA F., 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.
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.
2012MNRAS.420.1825J 171       D       C F     6 67 146 A combined optical and X-ray study of unobscured type 1 active galactic nuclei – I. Optical spectra and spectral energy distribution modelling. JIN C., WARD M., DONE C., et al.
2012AJ....143...83X viz 15       D               1 94 61 Correlation analysis of a large sample of narrow-line Seyfert 1 galaxies: linking central engine and host properties. XU D., KOMOSSA S., ZHOU H., et al.
2012ApJ...751...52E viz 15       D               1 4327 67 Reliable identifications of active galactic nuclei from the WISE, 2MASS, and ROSAT all-sky surveys. EDELSON R. and MALKAN M.
2012A&A...542A..83P viz 15       D               1 169 182 CAIXA: a catalogue of AGN in the XMM-Newton archive. III. Excess variance analysis. PONTI G., PAPADAKIS I., BIANCHI S., et al.
2012MNRAS.425..907J 199           X C F     3 9 117 A combined optical and X-ray study of unobscured type 1 active galactic nuclei – III. Broad-band SED properties. JIN C., WARD M. and DONE C.
2012A&A...544A..48C 93       D       C       3 38 9 The X-ray luminous galaxies optically classified as star forming are mostly narrow line Seyfert 1s. CASTELLO-MOR N., BARCONS X., BALLO L., 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.
2014ApJ...787L..12F 16       D               1 40 ~ A new cosmological distance measure using active galactic nucleus X-ray variability. FRANCA F.L., BIANCHI S., PONTI G., et al.
2014ApJ...788...45T viz 16       D               1 224162 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.
2015MNRAS.447..517L 16       D               1 58 17 Relativistic Fe Kα line revealed in the composite X-ray spectrum of narrow-line Seyfert 1 galaxies - do their black holes have averagely low or intermediate spins? LIU Z., YUAN W., LU Y., et al.
2015ApJS..217...11L viz 16       D               2 328 25 A comprehensive study of broad absorption line quasars. I. Prevalence of HeI* absorption line multiplets in low-ionization objects. LIU W.-J., ZHOU H., JI T., et al.
2015ApJ...807..129S viz 16       D               1 137 110 The X-ray to mid-infrared relation of AGNs at high luminosity. STERN D.
2016AJ....151...81W 56       D     X         2 49 4 A direct linkage between AGN outflows in the narrow-line regions and the X-ray emission from the accretion disks. WANG J., XU D.W. and WEI J.Y.
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.
2016ApJ...824..122K 16       D               2 27 6 Kinematically identified recoiling supermassive black hole candidates in SDSS QSOs with z > 0.25. KIM D.-C., EVANS A.S., STIERWALT S., et al.
2016MNRAS.462.1256C 16       D               1 117 42 A spectroscopic analysis of a sample of narrow-line Seyfert 1 galaxies selected from the Sloan Digital Sky Survey. CRACCO V., CIROI S., BERTON M., 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.
2017ApJS..229...39R viz 16       D               1 11102 111 A catalog of narrow line Seyfert 1 galaxies from the Sloan Digital Sky Survey Data Release 12. RAKSHIT S., STALIN C.S., CHAND H., 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.
2017MNRAS.472.3492E 97       D         F     3 57 10 Determining the torus covering factors for a sample of type 1 AGN in the local Universe. EZHIKODE S.H., GANDHI P., DONE C., 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.
2018A&A...620A.118N viz 16       D               1 404 42 Highly accreting quasars: The SDSS low-redshift catalog. NEGRETE C.A., DULTZIN D., MARZIANI P., et al.
2019ApJ...881L..24V viz 17       D               1 1524 ~ Are narrow-line Seyfert 1 galaxies powered by low-mass black holes? VISWANATH G., STALIN C.S., RAKSHIT S., et al.
2019ApJS..243...21L viz 17       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.
2020ApJ...896...95O viz 17       D               1 379 ~ A comparison of X-ray photon indices among the narrow- and broad-line Seyfert 1 galaxies. OJHA V., CHAND H., DEWANGAN G.C., 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.
2020MNRAS.498.3888J 358       D     X C       8 7 ~ A disc reflection model for ultra-soft narrow-line Seyfert 1 galaxies. JIANG J., GALLO L.C., FABIAN A.C., et al.
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.
2021AJ....162..254M viz 17       D               3 15 ~ Concordance: in-flight calibration of X-ray telescopes without absolute references. MARSHALL H.L., CHEN Y., DRAKE J.J., et al.
2022ApJ...928...60L 18       D               1 1982 2 Measuring the Virial Factor in SDSS DR5 Quasars with Redshifted Hβ and Fe II Broad Emission Lines. LIU H.T., FENG H.-C., LI S.-S., et al.
2023ApJS..267...19I viz 19       D               1 627 ~ Fantastic Fits with fantasy of Active Galactic Nuclei Spectra: Exploring the Fe II Emission near the Hα Line. ILIC D., RAKIC N. and POPOVIC L.C.

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