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VizieR

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J/A+A/540/A106/dr8gal SDSS-DR8 groups and clusters of galaxies (Tempel+, 2012)
Galaxy parameters (576493 rows)
  recno=232695
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ColumnValue  Explain   (UCD)
_RAJ200008 08 36.8160 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+40 24 59.796 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195008 05 14.5683 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+40 33 46.714 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon180.1765529 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+31.3000002 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
232695recno 232695  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID484648  Unique identification number for galaxies (meta.id;meta.main)
IDcl 67190   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 2   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.10611  Redshift, corrected to CMB rest frame (src.redshift)
Dist311.109 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c311.871 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000122.15340 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.41661 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 180.17665 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 31.30008 deg Galactic latitude of galaxy (pos.galactic.lat)
umag19.513 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag18.063 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag17.612 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag17.343 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag17.301 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.03 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.54 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-20.02 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-20.02 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-20.28 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.304 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.127 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.109 mag K-correction in r-filter (arith.factor;phot.mag)
kcori-0.160 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz-0.028 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 0.727 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.833  Weight factor for the galaxy (stat.weight)
Rank 2   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 38.376   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 9.164   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 1.986   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 0.698   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 0.832   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 31.989 Mpc Co-moving distance from the survey mask (Note G1)   (pos.distance)
Mph1   [0/2] Morphology of galaxy, 1=S, 2=E (Note 2)   (meta.code;src.morph)
prE0.12  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7 22063  ID number to link to our previous DR7 cat (meta.id)
zobs 0.10555  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor311.605 Mpc Corrected co-moving distance of galaxy (G1) (in Mpc/h) (pos.distance)
fc0   [0/5] Number of missing neighbours (fibre collision) (Note G2)   (meta.number)

SloanSloan  Display the SDSS data for this galaxy (meta.ref.url)
DR8DR8  Details from the SDSS-DR8 photometry (meta.ref.url)
  
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