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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

  
J/ApJ/862/48
  Galaxy groups from SDSS DR7 and ALFALFA (Mei+, 2018)
ReadMe+ftp
2018ApJ...862...48M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/862/48/table3The resulting values for the SDSS sample (172 rows)

Simple ConstraintList Of Constraints
 
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)
  GroupID   [6/22080] Group ID (meta.id;meta.main)
  RAJ2000 deg (i) [3/352] Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-0.03/31] Declination (J2000) (pos.eq.dec;meta.main)
  z   [0.02/0.042] Redshift of the group (src.redshift)
  Nm   [8/79] Number of member galaxies (meta.number)
  Nspir   [2/35] Number of spiral galaxies (meta.number)
  NHI   [1/20] Number of galaxies detected by HI (meta.number)
  MHI 10+10Msun [0.14/11.3] Group HI mass detected by ALFALFA (phys.mass)
  Mvir 10+13Msun [0.81/30.6] Group virial mass (phys.mass)
  tcH0   [0.027/0.32] Crossing time (time.crossing)
  MHIc 10+9Msun [0.4/56.6] Group HI mass of the HI-undetected member galaxies estimated based on optical color (phys.mass)
  e_MHI 10+8Msun [0.86/66.2] The error of the detected HI mass of the SDSS groups (stat.error)

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