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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)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/tablec1(c)CGs after velocity filtering in the 2MASS XSC (85 rows)
2.J/MNRAS/426/296/tablec2(c)Galaxies in Compact Groups after the velocity filtering, identified in the 2MASX catalogue (364 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)CG  (i) [1/85] Group identification number (meta.id;meta.main)
   (ALL)RAJ2000 "h:m:s" (i) CG centre Right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) CG centre Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)RV km/s Median radial velocity (phys.veloc;pos.heliocentric)
  (1)Ng  Number of galaxy members in the CG in the range of 3mag from the brightest member (meta.number)
  (1)Kmagb mag Extinction-corrected K-band apparent magnitude of the brightest galaxy (phot.mag;em.IR.K)
  (1)muK mag/arcsec2Extinction-corrected K-band group surface brightness (phot.mag.sb;em.IR.K)
  (1)theta arcmin Angular diameter θG of the smallest circumscribed circle to the group (phys.angSize;pos.lg)
  (1)<Rij> kpc Median projected separation among galaxies (in kpc/h, Ho=100h.km/s/Mpc) (pos.distance)
  (1)b/a   [0/1] Apparent group elongation (phys.size.axisRatio)

ALL cols		    
 (i)indexed column
  (1)sigma km/s Radial velocity dispersion of the galaxies in the CG (spect.dopplerVeloc)
  (1)H0.tcr  Dimensionless crossing time (pos.distance;time.crossing)
  (1)M/L Msun/LsunMass-to-light ratio in the K band (in h*M☉/L☉, Ho=100h.km/s/Mpc) (phys.composition.massLightRatio)
  (1)CID (char) Cross-identification with other group catalogues (Note 1)   (meta.id)
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)Gal  Galaxy identification number within the group (meta.id)
  (2)Kmag mag Galactic Extinction-corrected K-band apparent magnitude (phot.mag;em.IR.K)
  (2)Kcorr mag k-correction in the K-band computed from Chilingarian et al. (2010MNRAS.405.1409C) as a function of redshift and colour (H-K) (arith.factor;phot.mag)
  (2)e_RV km/s rms uncertainty on RV (stat.error)
  (2)r_RV  Catalogue from which the radial velocity and errors were extracted (Note 1)   (meta.ref;pos.frame)
  (2)objID  (n) Object ID in the SDSS database (meta.id)
  (2)2MASX (char) ID in the 2MASS database, HHMMSSss+DDMMSSs (Cat. VII/233) (meta.id;meta.main)

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