VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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VizieR

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/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)
Help Xmatch is

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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