VizieR

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VizieR

  
J/ApJS/235/11
  Absorption features in SDSS. I. MgII abs. doublets (Chen+, 2018)
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2018ApJS..235...11C
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spectrum
Post annotation 		img(gal)
1.J/ApJS/235/11/table2Catalog of MgII absorption systems (17316 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. (meta.record)
  SDSS (char) SDSS identifier (JHHMMSS.ss+DDMMSS.s) (G1) (Note)   (meta.id;meta.main)
  Plate  SDSS plate number (meta.id;instr.plate)
  MJD d [51608/56837] Modified Julian Date of the observation (time.epoch)
  Fiber  SDSS fiber number (meta.id)
  zem   [0.3/2.6] Spectroscopic emission line derived redshift (src.redshift)
  zabs   [0.3/2.6] Spectroscopic absorption line derived redshift (src.redshift)
  W2796 0.1nm [0.2/8.3] Equivalent width of MgII 2796Å line (Note 1)   (spect.line.eqWidth)
  e_W2796 0.1nm [0.02/1.7] Uncertainty in W2796 (Note 1)   (stat.error)
  W2803 0.1nm [0.2/7.5] Equivalent width of MgII 2803Å line (Note 1)   (spect.line.eqWidth)
  e_W2803 0.1nm [0.02/1.4] Uncertainty in W2803 (Note 1)   (stat.error)
  RV km/s [-10447/11652] Radial velocity (phys.veloc;pos.heliocentric)

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