VizieR

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CDS

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  		 Target dimension:

Radius Box size

  
J/MNRAS/426/296
  Compact Groups of galaxies from 2MASX (Diaz-Gimenez+, 2012)
ReadMe+ftp
2012MNRAS.426..296D
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/426/296/tablec1CGs after velocity filtering in the 2MASS XSC (85 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)
  CG  (i) [1/85] Group identification number (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) CG centre Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) CG centre Declination (J2000) (pos.eq.dec;meta.main)
  RV km/s Median radial velocity (phys.veloc;pos.heliocentric)
  Ng  Number of galaxy members in the CG in the range of 3mag from the brightest member (meta.number)
  Kmagb mag Extinction-corrected K-band apparent magnitude of the brightest galaxy (phot.mag;em.IR.K)
  muK mag/arcsec2Extinction-corrected K-band group surface brightness (phot.mag.sb;em.IR.K)
  theta arcmin Angular diameter θG of the smallest circumscribed circle to the group (phys.angSize;pos.lg)
  <Rij> kpc Median projected separation among galaxies (in kpc/h, Ho=100h.km/s/Mpc) (pos.distance)
  b/a   [0/1] Apparent group elongation (phys.size.axisRatio)
  sigma km/s Radial velocity dispersion of the galaxies in the CG (spect.dopplerVeloc)
  H0.tcr  Dimensionless crossing time (pos.distance;time.crossing)
  M/L Msun/LsunMass-to-light ratio in the K band (in h*M☉/L☉, Ho=100h.km/s/Mpc) (phys.composition.massLightRatio)
  CID (char) Cross-identification with other group catalogues (Note 1)   (meta.id)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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