CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .


Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Absorption features in SDSS. I. MgII abs. doublets (Chen+, 2018)
Post annotation
1.J/ApJS/235/11/table1Catalog of quasar spectra searched for MgII absorption systems[spectrum] (198229 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)
  EW (char) Display the MgII absorption system catalog (table 2) (meta.ref.url)
  SDSS (char) (i) SDSS identifier ( (Note G1)   (;meta.main)
  Plate  SDSS plate number (;instr.plate)
  MJD d [51608/56837] Modified Julian Date of the observation (time.epoch)
  Fiber  SDSS fiber number (
  zem   [0.3/2.8] Spectroscopic emission line derived redshift (src.redshift)
  logL [10-7W] [43/47.5] log monochromatic flux at 3000Å; in units of erg/s. (phys.luminosity)
  S/N   [3/87] Median Signal-to-Noise per pixel (stat.snr)
  DR7Q  (n)Display the SDSS -DR7 quasar catalog (VII/260) within 1" if any (meta.ref.url)
  DR12Q  (n)Display the SDSS -DR12 quasar catalog (VII/279) within 0.5" (meta.ref.url)
  DR7+DR12  Display data from the SDSS -DR7 (II/294) and -DR12 (V/147) photometric catalogs within 0.5" (meta.ref.url)
  Sp  Interactive spectrum from SDSS-DR12 (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA deg (i) Position from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position from SDSS name (declination part) (pos.eq.dec;meta.main)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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