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J/AJ/142/170
 ALFALFA survey: the α.40 HI source catalog (Haynes+, 2011)
Post annotation
img(gal)
1.J/AJ/142/170/table1Properties of HI detections (15855 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)
  UGC/AGC   [7/749512] Entry number in AGC (Note G1)   (meta.id;meta.main)
  O (char) link to SDSS counterpart (table 3) (meta.ref.url)
  OName (char) Common name of the Optical Counterparts (OCs) (meta.id)
  RAJ2000 "h:m:s" Hour of right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Degree of declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
  RAO "h:m:s" (n) Hour of right ascension (J2000) (Note 2)   (pos.eq.ra)
  DEO "d:m:s" (n) Degree of declination (J2000) (Note 2)   (pos.eq.dec)
  cz km/s [-470/17823] Heliocentric velocity of the HI profile midpoint (spect.dopplerVeloc;em.line.HI)
  W50 km/s [4/885] Observed velocity width at 50% of peak on either side (spect.line.width)
  e_W50 km/s [1/283] Error on W50 (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Si(HI) Jy.km/s [0.11/999.9] HI line flux (phot.flux.density;em.line.HI;spect.line)
  e_Si(HI) Jy.km/s [0/0.63] Error on Si(HI) (stat.error)
  SNR   [1.2/989.8] Ratio of peak flux to rms noise (stat.stdev;instr.det.noise;stat.max)
  RMS mJy [1.37/17.99] The rms noise in the extracted spectrum at 10km/s resolution (stat.stdev;instr.det.noise)
  Dist Mpc (n) [0.3/259.6] Adopted distance (pos.distance;pos.heliocentric)
  logM [Msun] (n) [3.76/10.94] HI mass in logarithmic solar units, where distance has been adopted (phys.mass)
  HIc  HI source quality code (Note G2)   (meta.code.qual)
  OCc (char) Code for crossreference with SDSS (Note G3)   (meta.code.qual)
  T2 (char) [*] Flag indicating entry in Table 2 (3) (Note)   (meta.code)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)

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(n) indicates a possible blank or NULL column  
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