Absorption features in SDSS. I. MgII abs. doublets J/ApJS/235/11 ivo://CDS.VizieR/J/ApJS/235/11 doi:10.26093/cds/vizier.22350011 CDS Chen Z.-F. Huang W.-R. Pang T.-T. Huang H.-Y. Pan D.-S. Yao M.,Nong W.-J. Lu M.-M. 2019-01-09T08:44:23Z 2018-11-23T09:33:47Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr quasars visible-astronomy spectroscopy redshifted radial-velocity line-intensities surveys Using the SDSS spectra of quasars included in the DR7Q or DR12Q catalogs, we search for MgII{lambda}{lambda}2796,2803 narrow absorption doublets in the spectra data around MgII{lambda}2798 emission lines. We obtain 17316 MgII doublets, within the redshift range of 0.3299<=z_abs_<=2.5663. We find that a velocity offset of {upsilon}_r_<6000km/s is a safe boundary to constrain the vast majority of associated Mg ii systems, although we find some doublets at {upsilon}_r_>6000km/s. If associated Mg ii absorbers are defined by {upsilon}_r_<6000km/s, ~33.3% of the absorbers are supposed to be contaminants of intervening systems. Removing the 33.3% contaminants, ~4.5% of the quasars present at least one associated MgII system with W_r_^{lambda}2796^>=0.2{AA}. The fraction of associated MgII systems with high-velocity outflows correlates with the average luminosities of their central quasars, indicating a relationship between outflows and the quasar feedback power. The {upsilon}_r_ distribution of the outflow MgII absorbers is peaked at 1023km/s, which is smaller than the corresponding value of the outflow CIV absorbers. The redshift number density evolution of absorbers (dn/dz) limited by {upsilon}_r_{>}-3000km/s differs from that of absorbers constrained by {upsilon}_r_>2000km/s. Absorbers limited by {upsilon}_r_>2000km/s and higher values exhibit profiles similar to dn/dz. In addition, the dn/dz is smaller when absorbers are constrained with larger {upsilon}_r_. The distributions of equivalent widths, and the ratio of W_r_^{lambda}2796^/W_r_^{lambda}2803^, are the same for associated and intervening systems, and independent of quasar luminosity. 2018ApJS..235...11C https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/235/11 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/294 : The SDSS Photometric Catalog, Release 7 (Adelman-McCarthy+, 2009) VII/260 : The SDSS-DR7 quasar catalog (Schneider+, 2010) V/147 : The SDSS Photometric Catalogue, Release 12 (Alam+, 2015) VII/279 : SDSS quasar catalog: twelfth data release (Paris+, 2017) J/MNRAS/354/L25 : MgII absorbers in SDSS QSOs (Bouche+, 2004) J/ApJ/613/129 : Equivalent widths of QSOs (Wise+, 2004) J/ApJ/639/766 : SDSS-DR3 strong MgII absorbers (Prochter+, 2006) J/MNRAS/371/495 : Catalog of 1806 MgII absorbers from SDSS DR3 (Bouche+, 2006) J/ApJS/171/1 : Census of QSOs Narrow Absorption Lines (Misawa+, 2007) J/ApJ/679/239 : Associated MgII absorbers (Vanden+, 2008) J/ApJ/714/1521 : Spectroscopy of galaxies around distant QSOs (Chen+, 2010) J/MNRAS/405/2302 : Improved redshifts for SDSS quasar spectra (Hewett+, 2010) J/MNRAS/413/813 : ATLAS3D project. I. (Cappellari+, 2011) J/ApJ/754/38 : MgII abs. syst. for Flat-Spectrum Radio QSOs (Chand+, 2012) J/ApJ/748/131 : MgII absorbers in SDSS-DR7 quasar catalog (Shen+, 2012) J/ApJ/779/161 : MgII absorbers in 0.4<z<2.3 SDSS QSOs (Seyffert+, 2013) J/MNRAS/434/163 : QSOs narrow absorption line variability (Hacker+, 2013) J/PASJ/65/8 : Catalog of SDSS quasar absorption redshift (Qin+, 2013) J/ApJS/210/7 : BOSS narrow CIV absorption lines. I. zem<=2.4 (Chen+, 2014) J/ApJS/215/12 : BOSS narrow CIV absorption lines. II. zem>2.4 (Chen+, 2014) J/ApJS/221/32 : Narrow MgII absorption lines from SDSS-DR9Q (Chen+, 2015) J/MNRAS/450/3904 : Quasars narrow absorption lines from SDSS (Chen+, 2015) J/MNRAS/462/3285 : XQ-100 targets equivalent widths (Perrotta+, 2016) J/MNRAS/463/2640 : SDSS-DR12 QSOs MgII absorption systems (Raghunathan+, 2016) http://www.sdss3.org/ : SDSS-III home page https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/235/11 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/235/11 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/235/11 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/235/11 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/235/11 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/235/11 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJS/235/11/table1 (Catalog of quasar spectra searched for MgII absorption systems) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/235/11/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/235/11/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/235/11/table1? 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49098 49100 49101 49102 49108 49112 49117 49119 49124 49126 49128 49129 49130 49141 49149 49150 49151 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/235/11?format=ascii Optical default J/ApJS/235/11/table1 Catalog of quasar spectra searched for MgII absorption systems recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int EW Display the MgII absorption system catalog (table 2) meta.ref.url char SDSS SDSS identifier (JHHMMSS.ss+DDMMSS.s) (G1) meta.id;meta.main char primary Plate SDSS plate number meta.id;instr.plate int MJD [51608/56837] Modified Julian Date of the observation d time.epoch int Fiber SDSS fiber number meta.id int zem [0.3/2.8] Spectroscopic emission line derived redshift src.redshift float logL [43/47.5] log monochromatic flux at 3000{AA}; in units of erg/s. log(1e-07W) phys.luminosity float S/N [3/87] Median Signal-to-Noise per pixel stat.snr float DR7Q Display the SDSS -DR7 quasar catalog (VII/260) within 1" if any meta.ref.url int nullable DR12Q Display the SDSS -DR12 quasar catalog (VII/279) within 0.5" meta.ref.url int nullable DR7+DR12 Display data from the SDSS -DR7 (II/294) and -DR12 (V/147) photometric catalogs within 0.5" meta.ref.url char Sp Interactive spectrum from SDSS-DR12 meta.ref.url char Simbad Simbad column added by the CDS meta.ref.url char NED NED column added by the CDS meta.ref.url char _RA Position from SDSS name (right ascension part) deg pos.eq.ra;meta.main indexed _DE Position from SDSS name (declination part) deg pos.eq.dec;meta.main indexed
J/ApJS/235/11/table2 Catalog of MgII absorption systems recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int SDSS SDSS identifier (JHHMMSS.ss+DDMMSS.s) (G1) meta.id;meta.main char Plate SDSS plate number meta.id;instr.plate int MJD [51608/56837] Modified Julian Date of the observation d time.epoch int Fiber SDSS fiber number meta.id int zem [0.3/2.6] Spectroscopic emission line derived redshift src.redshift float zabs [0.3/2.6] Spectroscopic absorption line derived redshift src.redshift float W2796 [0.2/8.3] Equivalent width of MgII 2796{AA} line (1) 0.1nm spect.line.eqWidth float e_W2796 [0.02/1.7] Uncertainty in W2796 (1) 0.1nm stat.error float W2803 [0.2/7.5] Equivalent width of MgII 2803{AA} line (1) 0.1nm spect.line.eqWidth float e_W2803 [0.02/1.4] Uncertainty in W2803 (1) 0.1nm stat.error float RV [-10447/11652] Radial velocity km/s phys.veloc;pos.heliocentric int