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  GALEX Arecibo SDSS survey (GASS) (Catinella+, 2010)
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1.J/MNRAS/403/683/table2HI properties of GASS detections (99 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)
  GASS  GASS identification number (;meta.main)
  SDSS (char) SDSS designation ( (
  z  SDSS redshift (Note 1)   (src.redshift)
  Ton min On-source integration time of the Arecibo observation (Note 1)   (time.duration;obs.exposure)
  DV km/s Velocity resolution of the final, smoothed spectrum (phys.veloc)
  zHI  Redshift, measured from the Hi spectrum (Note 2)   (src.redshift;pos.heliocentric)
  W50 km/s Observed velocity width of the source line profile, measured at 50% level of each peak (spect.line.width)
  e_W50 km/s Error on the width (sum in quadrature of the statistical and systematic uncertainties) (Note 3)   (stat.error)
  W50c km/s Velocity width corrected for instrumental broadening and cosmological redshift only (Note 4)   (spect.line.width)
  FHI Observed, integrated HI-line flux density, F=∫Sdv, measured on the smoothed and baseline-subtracted spectrum (phot.flux.density)
  e_FHI Uncertainty on FHI (sum in quadrature of the statistical and systematic errors) (Note 5)   (stat.error)
  rms mJy rms noise of the observation, measured on the signal- and RFI-free portion of the smoothed spectrum (stat.stdev;instr.det.noise;obs)
  S/N  Signal-to-noise ratio of the HI spectrum (Note 6)   (stat.snr)
  logMHI [Msun] base-10 logarithm of the HI mass (Note 7)   (phys.mass)
  logMHI/M*  base-10 logarithm of the HI mass fraction (phys.mass;arith.ratio)
  Q   [1/5] Quality flag (1=good, 2=marginal, 5=confused) (Note 8)   (meta.code.qual)
  Note (char) [*] An asterisk indicates the presence of a note for the source in appen.dat file (meta.note)

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