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/ApJ/718/392
  SDSS Lyman limit systems at z∼3.5 (Prochaska+, 2010)
Post annotation
img(gal)
1.J/ApJ/718/392/table1SDSS-DR7 quasar sample (3759 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)
  Plate  Plate number (meta.id;instr.plate)
  MJD d Modified Julian Date of observation (time.epoch)
  Fiber  Fiber identification (meta.id;meta.main)
  SDSS (char) (i) Object name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  M (char) L for τ912≥2 LLS survey, and p for proximate τ912≥2 LLS (meta.ref.url)
  z  Emission line derived redshift (Note 1)   (src.redshift)
  f_z  Flag on z (0=normal) (Note 2)   (meta.code)
  A  (n) Absorbed continuum fitting parameter A (Note 3)   (stat.param;spect.continuum)
  B  (n) Absorbed continuum fitting parameter B (Note 3)   (stat.param;spect.continuum)
  Scale  (n) Additional scaling factor (Note 4)   (arith.factor)
  S/N  (n) Estimated signal-to-noise (Note 5)   (stat.snr)
  f_S/N (char) [I] I: indicates an infinity value for S/N (meta.code)
  DR7  Display the SDSS-DR7 quasar and photometry catalogs within 1.5" (meta.ref.url)
  Sloan  Display the SDSS online data for this quasar (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  NED  ask the NED data-base about this object (meta.ref)
  _RA deg (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions 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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usage  Display UCD1+    UCD1  
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Rules of usage of VizieR data

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