BOSS narrow CIV absorption lines. III. J/MNRAS/462/2980 ivo://CDS.VizieR/J/MNRAS/462/2980 doi:10.26093/cds/vizier.74622980 CDS Chen Z.-F. Gu Q.-S. Zhou L. Chen Y.-M. 2024-08-16T20:18:31Z 2018-05-15T07:57:18Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr surveys quasars redshifted line-intensities In this paper, we extend our work of IV {lambda}{lambda}1548,1551 narrow absorption lines (NALs) with z_abs_<<z_em_ on quasar spectra of the Baryon Oscillation Spectroscopic Survey (BOSS) to collect CIV NALs with z_abs_<=z_em_ from blue to red wings of CIV {lambda}1549 emission lines. Together with IV NALs with 1.4544<=z_abs_<=4.9224 in surveyed spectral region redward of Ly{alpha} until red wing of CIV {lambda}1549 emission line. We find that the stronger CIV NALs tend to be the more saturated absorptions, and associated systems (z_abs_~=z_em_) seem to have larger absorption strengths when compared to intervening ones (z_abs_<<z_em_). The redshift density evolution behaviour of absorbers (the number of absorbers per redshift path) is similar to the history of the cosmic star formation. When compared to the quasar-frame velocity ({beta}) distribution of MgII absorbers, the {beta} distribution of CIV absorbers is broader at {beta}~=0, shows longer extended tail, and exhibits a larger dispersion for environmental absorptions. In addition, for associated CIV absorbers, we find that low-luminosity quasars seem to exhibit smaller {beta} and stronger absorptions when compared to high-luminosity quasars. 2016MNRAS.462.2980C https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/462/2980 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to 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) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/462/2980 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/462/2980 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/462/2980 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/462/2980 https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/462/2980 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/462/2980 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/MNRAS/462/2980/table1 (Catalog of CIV narrow absorption line systems) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/462/2980/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/462/2980/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/462/2980/table1? 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the VizieR team. Should Not be used for identification. meta.record int SDSS SDSS designation (HHMMSS.ss+DDMMSS.s) meta.id;meta.main char MJD SDSS MJD number d meta.id int Fiber SDSS fiber number meta.id int N Number of detections for this quasar meta.number int nullable zem Emission redshift src.redshift float zabs Absorption redshift src.redshift float EW1548 CIV {lambda}1548 equivalent width at rest frame 0.1nm spect.line.eqWidth float e_EW1548 rms uncertainty on EW1548 0.1nm stat.error float EW1551 CIV {lambda}1551 equivalent width at rest frame 0.1nm spect.line.eqWidth float e_EW1551 rms uncertainty on EW1551 0.1nm stat.error float SL1548 Significant level of absorption line CIV {lambda}1548 stat.fit.goodness float SL1551 Significant level of absorption line CIV {lambda}1551 stat.fit.goodness float beta beta value (1) phys.veloc;arith.diff double Sp Interactive spectrum from SDSS meta.ref.url char _RA Positions from name (right ascension part) deg pos.eq.ra;meta.main indexed _DE Positions from name (declination part) deg pos.eq.dec;meta.main indexed