A2 327 , the SIMBAD biblio

A2 327 , the SIMBAD biblio (78 results) C.D.S. - SIMBAD4 rel 1.8 - 2026.10.15CEST18:20:35

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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
1972Ap&SS..16..324B 278 20 Studies of blue objects at high galactic latitudes. Faint blue objects in the field of BD +29 2348 (the Galactic North Pole). BARBIERI C. and ROSINO L.
1973A&A....23..215W 1 2 23 A search for faint blue objects near the North Galactic Pole. WEISTROP D.
1976ApJS...31..143W 32 1 193 Spectroscopy of 206 QSO candidates and radio galaxies. WILLS D. and WILLS B.J.
1977A&AS...28..123B viz 4516 49 A search for faint blue stars in high galactic latitudes. I. Nine PSS fields near the North Galactic Pole. BERGER J. and FRINGANT A.M.
1977ApJ...216..227R 41 32 On possible associations of quasi-stellar objects and radio galaxies with rich clusters of galaxies. ROBERTS D.H., O'DELL S.L. and BURBIDGE G.R.
1978A&AS...31..209S 6 22 The Basle catalogue of blue objects in higher galactic latitudes in SA 51, SA 54, SA 57,SA 82 and in the halo field around M 5 (I). STEPPE H.
1979ApJ...234...33W 2 21 245 Results of a homogeneous survey of absorption lines in QSOs of small and intermediate emission redshift. WEYMANN R.J., WILLIAMS R.E., PETERSON B.M., et al.
1980AnTok..18...55N viz 587 63 A search for ultraviolet-excess objects. NOGUCHI T., MAEHARA H. and KONDO M.
1981ApJS...46..117U viz 14       D               635 63 Faint blue objects at high galactic latitude. I. Palomar Schmidt field centered on Selected Area 57. USHER P.D.
1982ApJ...263...23H 42 8 Coma Quasars. HOAG A.H., THOMAS N.G. and VAUCHER B.G.
1982MmSAI..53..511B 64 19 The Asiago catalogue of Quasi Stellar Objetcs. BARBIERI C., CAPACCIOLI M., CRISTIANI S., et al.
1983MmSAI..54..617B 96 4 Optical variability of Quasi Stellar Objects. BARBIERI C., CRISTIANI S., NARDON G., et al.
1984A&A...138..408C 28 26 Statistical evidence for possible association between QSOs and bright galaxies. CHU Y.-Q., ZHU X.-F., BURBIDGE G., et al.
1986ApJ...307..504F 1 31 201 C IV absorption systems in QSO spectra: is the character of systems with z(abs) about z(em) different from those with z(abs) < z(em) ? FOLTZ C.B., WEYMANN R.J., PETERSON B.M., et al.
1986MNRAS.220....1S 67 18 Absorption lines and the radio structure of quasars. SWARUP G., SAIKIA D.J., BELTRAMETTI M., et al.
1987ApJS...64..667T 90 105 High-resolution spectra of 24 low-redshift QSOs: the properties of MgII absorption systems. TYTLER D., BOKSENBERG A., SARGENT W.L.W., et al.
1987Ap&SS.134...35Y 315 2 The spectral properties of quasars. YU K.N.
1990A&A...239...33A 363 65 Periodicity of quasar redshifts. ARP H., BI H.G., CHU Y., et al.
1990ApJS...74..675B 865 48 Associations between quasi-stellar objects and galaxies. BURBIDGE G., HEWITT A., NARLIKAR J.V., et al.
1991A&AS...87..389B 1221 60 MAMA astrometry and photometry of 1221 UV-excess objects in 40 square degrees at the North Galactic Pole. BERGER J., CORDONI J.P., FRINGANT A.M., et al.
1991ApJS...77..203J viz 633 60 A catalog of absorption in the spectra of quasi-stellar objects. JUNKKARINEN V., HEWITT A. and BURBIDGE G.
1991MNRAS.250...24Y 262 53 An inhomogeneous reference catalogue of identified intervening heavy element systems in spectra of QSOs. YORK D.G., YANNY B., CROTTS A., et al.
1991MNRAS.251..649B 147 35 Interstellar Ca II in the galactic halo and in QSO absorption systems. BOWEN D.V.
1992ApJ...394...51M 169 34 Gravitational lensing of quasars as seen by the Hubble Space Telescope Snapshot Survey. MOAZ D., BAHCALL J.N., DOXSEY R., et al.
1992PASP..104..678S 530 19 Accurate positions and finding charts for 528 high-redshift, luminous quasars. SCHNEIDER D.P., BAHCALL J.N., SAXE D.H., 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.
1993ApJ...409...28M viz 507 112 The Hubble Space Telescope snapshot survey. IV. A summary of the search for gravitationally lensed quasars. MAOZ D., BAHCALL J.N., SCHNEIDER D.P., et al.
1993ApJS...87..451H viz 14       D               7278 328 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1993AcApS..13..125L 228 1 Studies of CIV associated absorption systems of QSOs (I) Samples. LI Y. and CHEN J.-S.
1993ChA&A..17..161L 226 0 Studies of CIV associated absorption systems of QSOs. (I) Samples. LI Y. and CHEN J.-S.
1994AJ....108.2025D 200 5 Spectral types for objects in the Kiso survey. IX. Data for 121 objects. DARLING G.W. and WEGNER G.
1994ApJS...92...53W viz 515 204 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.
1995A&AS..111..169M viz 1766 14 Systematic search for UV-excess quasar candidates in 40 square degrees at the North Galactic Pole. MOREAU O. and REBOUL H.
1995MNRAS.273.1069T 78 20 Quasar-galaxy associations. THOMAS P.A., WEBSTER R.L. and DRINKWATER M.J.
1998A&AS..129..445R 25 18 A search for rapid optical variability in radio-quiet quasars. RABBETTE M., McBREEN B., SMITH N., et al.
2000A&AS..141..113A viz 291 8 Extensive near-infrared (H-band) photometry in Coma. ANDREON S., PELLO R., DAVOUST E., et al.
2000AcASn..41..225B 32 0 The variability of optically selected QSO samples. BIAN W.-H., HUANG K.-L. and ZHOU H.-N.
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.
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.
2006A&A...455..773V viz 108223 628 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
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.
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...685..773G viz 15       D               546 89 Are optically selected quasars universally X-ray luminous? X-ray-UV relations in Sloan Digital Sky Survey quasars. GIBSON R.R., BRANDT W.N. and SCHNEIDER D.P.
2009ApJ...696..924G viz 15       D               1 262 20 X-ray insights into the physics of Mini-BAL quasar outflows. GIBSON R.R., BRANDT W.N., GALLAGHER S.C., 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.
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.
2010A&A...519A..17V viz 15       D               4 243 26 Variability and the X-ray/UV ratio of active galactic nuclei. VAGNETTI F., TURRIZIANI S., TREVESE D., et al.
2011MNRAS.410..860A viz 15       D               3 86770 182 A strong redshift dependence of the broad absorption line quasar fraction. ALLEN J.T., HEWETT P.C., MADDOX N., et al.
2011A&A...527A.126P viz 15       D               7 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.
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.
2012ApJ...753..106M viz 15       D               2 89523 227 A description of quasar variability measured using repeated SDSS and POSS imaging. MacLEOD C.L., IVEZIC Z., SESAR B., et al.
2012ApJ...756...27L viz 15       D               1 4347 64 Classification of X-ray sources in the XMM-Newton serendipitous source catalog. LIN D., WEBB N.A. and BARRET D.
2012A&A...545A..66B viz 15       D               1 865 6 Exploring X-ray and radio emission of type 1 AGN up to z ∼ 2.3. BALLO L., HERAS F.J.H., BARCONS X., et al.
2013ApJ...763...37C viz 15       D               1 26168 58 Precious metals in SDSS quasar spectra. I. Tracking the evolution of strong, 1.5 < z < 4.5 C IV absorbers with thousands of systems. COOKSEY K.L., KAO M.M., SIMCOE R.A., et al.
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.
2013ApJ...779..161S viz 15       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.
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.
2016A&A...593A..55V viz 16       D               1 2283 44 Ensemble X-ray variability of active galactic nuclei. II. Excess variance and updated structure function. VAGNETTI F., MIDDEI R., ANTONUCCI M., 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.
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.
2018ApJS..235...11C viz 16       D               2 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               2 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.
2018A&A...619A..95C viz 16       D               5 636 5 The X-ray/UV ratio in active galactic nuclei: dispersion and variability. CHIARALUCE E., VAGNETTI F., TOMBESI F., et al.
2018ApJS..239...23C viz 16       D               1 13736 ~ Narrow C IV absorption lines with multi-epoch observations. CHEN Z.-F., YAO M., PANG T.-T., et al.
2019A&A...622A..11G viz 16       D               1 49927 37 LoTSS/HETDEX: Optical quasars. I. Low-frequency radio properties of optically selected quasars. GURKAN G., HARDCASTLE M.J., BEST P.N., 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..250....3C viz 16       D               6 6555 ~ The variable Mg II narrow absorption line systems. CHEN Z.-F., QIN H.-C., GUI R.-J., 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.
2020MNRAS.499.6053L viz 16       D               1 793 ~ Individual optical variability of active galactic nuclei from the MEXSAS2 sample. LAURENTI M., VAGNETTI F., MIDDEI R., et al.
2022ApJ...931..154R viz 17       D               1 747 5 Exploring Changes in Quasar Spectral Energy Distributions across C IV Parameter Space. RIVERA A.B., RICHARDS G.T., GALLAGHER S.C., et al.
2024A&A...689A.337L viz 63       D     X         2 62 ~ Investigating the nuclear properties of highly accreting active galactic nuclei with XMM-Newton. LAURENTI M., TOMBESI F., VAGNETTI F., et al.
2024ApJ...975..214J 18       D               1 124 ~ No Redshift Evolution in the Fe II/Mg II Flux Ratios of Quasars across Cosmic Time. JIANG D., ONOUE M., JIANG L., et al.
2025A&A...699A.202G 19       D               1 63 ~ Measuring monster black hole masses: Maybe mighty, maybe merely massive. GLIOZZI M., AKYLAS A., WILLIAMS J.K., et al.

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