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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

  ALFALFA extragalactic HI source catalog (Haynes+, 2018) Query spectra/fits /fits
Post annotation
1.J/ApJ/861/49/table3ALFALFA OH megamaser (OHM) candidate catalog (19 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   [102708/749309] AGC number (;meta.main)
  Name (char) Common name (
  RAJ2000 "h:m:s" (i) [0/23] Hour of HI right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) [5/35] Degree of HI declination (J2000) (pos.eq.dec;meta.main)
  RAO "h:m:s" Hour of optical right ascension (J2000) (pos.eq.ra)
  DEO "d:m:s" Degree of optical declination (J2000) (pos.eq.dec)
  Fcent MHz [1360.7/1429.3] Frequency of the center of the line signal (em.freq)
  W50 km/s [23/613] Observed velocity width at 50% of peak on either side (spect.line.width)
  HIflux [0.4/2.9] HI line flux density (phot.flux)
  SNR   [4.3/17.4] Signal to noise ratio (instr.det.noise)
  rms mJy [1.9/2.8] RMS noise (instr.det.noise)
  z  (n) [0.16/0.23] Redshift (src.redshift)
  f_AGC (char) Flag(s) (Note 1)   (meta.code)
  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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usage  Display UCD1+    UCD1  
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