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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/A+A/540/A106
  SDSS-DR8 groups and clusters of galaxies (Tempel+, 2012)
ReadMe+ftp
2012A&A...540A.106T
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/540/A106/dr8gal(c)Galaxy parameters (576493 rows)
2.J/A+A/540/A106/dr8gr(c)Group/cluster parameters (77858 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)
  (1)ID  Unique identification number for galaxies (meta.id;meta.main)
   (ALL)IDcl   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
   (ALL)Ngal   [1/878] Richness of group the galaxy belongs to (meta.number)
  (1)z  Redshift, corrected to CMB rest frame (src.redshift)
  (1)Dist Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
   (ALL)Dist.c Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
   (ALL)RAJ2000 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
   (ALL)GLON deg Galactic longitude of galaxy (pos.galactic.lon)
   (ALL)GLAT deg Galactic latitude of galaxy (pos.galactic.lat)

ALL cols		    
 (i)indexed column
  (1)umag mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
  (1)gmag mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
  (1)rmag mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
  (1)imag mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
  (1)zmag mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
  (1)uMAG mag Absolute u-magnitude (Note G1)   (phys.magAbs)
  (1)gMAG mag Absolute g-magnitude (Note G1)   (phys.magAbs)
  (1)rMAG mag Absolute r-magnitude (Note G1)   (phys.magAbs)
  (1)iMAG mag Absolute i-magnitude (Note G1)   (phys.magAbs)
  (1)zMAG mag Absolute z-magnitude (Note G1)   (phys.magAbs)
  (1)kcoru mag K-correction in u-filter (arith.factor;phot.mag)
  (1)kcorg mag K-correction in g-filter (arith.factor;phot.mag)
  (1)kcorr mag K-correction in r-filter (arith.factor;phot.mag)

ALL cols		    
 (i)indexed column
  (1)kcori mag K-correction in i-filter (arith.factor;phot.mag)
  (1)kcorz mag K-correction in z-filter (arith.factor;phot.mag)
  (1)Lr 10+10Lsunr-band observed luminosity (Note G1)   (phys.luminosity)
  (1)W  Weight factor for the galaxy (stat.weight)
  (1)Rank   [1/878] Galaxy rank in its group (stat.fit.param)
   (ALL)Den1  (n) Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
   (ALL)Den2  (n) Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
   (ALL)Den4  (n) Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
   (ALL)Den8  (n) Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
   (ALL)Den16  (n) Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
   (ALL)Edge Mpc Co-moving distance from the survey mask (Note G1)   (pos.distance)
  (1)Mph   [0/2] Morphology of galaxy, 1=S, 2=E (Note 2)   (meta.code;src.morph)
  (1)prE  Probability of being an early type galaxy (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)IDDR7  ID number to link to our previous DR7 cat (meta.id)
  (1)zobs  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
  (1)Distcor Mpc Corrected co-moving distance of galaxy (G1) (in Mpc/h) (pos.distance)
   (ALL)fc   [0/5] Number of missing neighbours (fibre collision) (Note G2)   (meta.number)
  (1)Sloan (char) Display the SDSS data for this galaxy (meta.ref.url)
  (1)DR8 (char) Details from the SDSS-DR8 photometry (meta.ref.url)
  (2)zcl  Redshift to the group centre (src.redshift;pos.heliocentric)
  (2)Size Mpc Max linear size of the group in the sky (Note G1)   (phys.size.radius)
  (2)Rvir Mpc Virial radius (projected harmonic mean) (Note G1)   (phys.size.radius)
  (2)sigma Mpc Extent of the group in the sky (Note G1)   (phys.angSize)
  (2)sigmav km/s rms radial velocity deviation (phys.veloc.dispersion)
  (2)Lrobs 10+10Lsunr-band observed luminosity (Note G1)   (phys.luminosity)
  (2)Lrtot 10+10Lsunr-band estimated total luminosity (Note G1)   (phys.luminosity)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Dlink Mpc Co-moving linking length (Note G1)   (pos.distance)

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