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J/ApJS/215/12
 BOSS narrow CIV absorption lines. II. zem>2.4 (Chen+, 2014)
spectrum
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img(gal)
1.J/ApJS/215/12/table1Catalog of CIVλλ1548,1551 absorption systems for 9708 quasars (13919 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  SDSS (char) SDSS-DR9 identifier (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  Plate  SDSS plate identifier (meta.id;instr.plate)
  MJD d Modified Julian Date of the observation (time.epoch)
  Fiber  SDSS fiber identifier (meta.id)
  N  (n)Number of detections for this quasar (meta.number)
  zem   [2.4/5.2] Redshift derived from emission lines (src.redshift;pos.heliocentric)
  zabs   [1.8/4.4] Redshift derived from absorption lines (src.redshift;pos.heliocentric)
  EW1548 0.1nm [0.2/3] Rest equivalent width of CIV 1548 (Å) (spect.line.eqWidth)
  s1548   [2/68] EW1548 divided by its 1σ error: significance level of CIV 1548 detection (stat.fit.goodness)
  EW1551 0.1nm [0.2/3] Rest equivalent width of CIV 1551 (Å) (spect.line.eqWidth)
  s1551  EW1551 divided by its 1σ error: significance level of CIV 1551 detection (stat.fit.goodness)
  SNR1548   [1.9/55] Signal-to-noise ratio of CIV1548 line (stat.snr)
  SNR1551   [0.9/51] Signal-to-noise ratio of CIV1551 line (stat.snr)
  beta   [0.03/0.2] Relative velocity β (Note 1)   (phys.veloc;arith.diff)
  Sp  Interactive spectrum from SDSS (meta.ref.url)
spectrum
  _RA deg Positions from SDSS DR9 quasar catalog (VII/269) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg Positions from SDSS DR9 quasar catalog (VII/269) (declination part) (pos.eq.dec;meta.main)

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