VizieR

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

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

  
J/ApJS/221/32
  Narrow MgII absorption lines from SDSS-DR9Q (Chen+, 2015)
ReadMe+ftp
2015ApJS..221...32C
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJS/221/32/table1Catalog of Mg II absorption systems (18598 rows)

Simple ConstraintList Of Constraints
 
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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  SDSS (char) SDSS-DR9Q identifier (VII/269; HHMMSS.ss+DDMMSS.s; J2000) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  Plate  SDSS plate identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.atmol.qn.F)
  MJD d [55176/55752] Modified Julian Date of the observation (src.redshift;(unassigned);arith.grad;pos.centroid;meta.main)
  Fiber  SDSS fiber identifier (phot.fluence;instr.calib;stat.min;spect.line.veloc)
  zem   [0.35/5.4] Redshift derived from emission lines ((unassigned);pos.galactic.lon;arith.diff;pos.parallax;meta.main)
  zabs   [0.29/2.7] Redshift derived from absorption lines ((unassigned);(unassigned);arith;pos.parallax;meta.main)
  EW2796 0.1nm [0.2/8.2] Rest equivalent width of MgII{lambda}2796 (Å) ((unassigned);(unassigned);arith;phys.at.moment.magnetic;meta.main)
  s2796   [2/71] EW2796 divided by its 1{sigma} error; significance of MgII{lambda}2796 detection ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EW2803 0.1nm [0.2/7.1] Rest equivalent width of MgII{lambda}2803 (Å) ((unassigned);em.line;arith.grad;phys.at.moment.magnetic;meta.main)
  s2803   [2/65] EW2803 divided by its 1{sigma} error; significance of MgII{lambda}2803 detection ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  SNR2796   [1.9/63] Signal-to-noise ratio of MgII{lambda}2796 line ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)
  SNR2803   [1.9/60] Signal-to-noise ratio of MgII{lambda}2803 line ((unassigned);obs.atmos.extinction;arith.factor;meta.abstract;meta.main)
  beta   [-0.02/0.74] Relative velocity, {beta} (Note 1)   ((unassigned);em.line;arith.grad;spect.index;instr.bandpass)
  Sp  Interactive spectrum from SDSS ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
spectrum
  Simbad  ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  NED  ask the NED data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  _RA deg Position from SDSS name (right ascension part) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  _DE deg Position from SDSS name (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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