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VizieR

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J/ApJ/861/49
  ALFALFA extragalactic HI source catalog (Haynes+, 2018) Query spectra/fits /fits
spectrum/fits
spectrum
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img(gal)
1.J/ApJ/861/49/table2ALFALFA extragalactic HI source catalog; corrected version (August 2019)[spectrum/fits]
spectrum
(31502 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)
  AGC   [1/749512] UGC/AGC number (Note 1)   (meta.id;meta.main)
  Name (char) Common name of the optical counterpart (meta.id)
  RAJ2000 "h:m:s" (i) [0/23] HI centroid hour of RA (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) HI centroid degree of Dec (J2000) (pos.eq.dec;meta.main)
  RAO "h:m:s" (n) Optical counterpart hour of RA (J2000) (meta.id.assoc;pos.eq.ra)
  DEO "d:m:s" (n) Optical counterpart degree of Dec (J2000) (meta.id.assoc;pos.eq.dec)
  Vhel km/s [-430/17823] Heliocentric velocity of the HI profile midpoint (spect.dopplerVeloc;em.line.HI)
  W50 km/s [9/885] Observed velocity width at 50% of peak on either side (spect.line.width)
  e_W50 km/s [1/296] Uncertainty in W50 (stat.error)
  W20 km/s [0/896] Observed velocity width at 20% of peak on either side (spect.line.width)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  HIflux Jy.km/s [-7.7/999.9] HI line flux density (phot.flux)
  e_HIflux Jy.km/s [0.02/1.2] Uncertainty in HIflux (stat.error)
  SNR   [1.2/964] Ratio of peak flux to rms noise (instr.det.noise)
  rms mJy [1.2/18] The RMS noise in the extracted spectrum at 10 km/s resolution (instr.det.noise)
  Dist Mpc [0.3/259.6] Adopted distance, where applicable (pos.distance;pos.heliocentric)
  e_Dist Mpc [0/31] Uncertainty in Dist (stat.error)
  logMHI [Msun] [3.7/11] log HI mass where distance has been adopted (phys.mass)
  e_logMHI [Msun] [0.04/1.2] Uncertainty in logMHI (stat.error)
  HI   [1/2] HI source code (Note 2)   (meta.code)
  sp  Interactive plot of the spectrum (meta.ref.url)
spectrum
  fits  Download the spectrum FITS file (meta.ref.url)
spectrum/fits
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  LEDA  ask the LEDA data-base about this object (meta.ref.url)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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