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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=529536
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ColumnValue  Explain   (UCD)
_RAJ200008 14 32.6136 "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+32 31 54.084 "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 11 23.1291 "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+32 41 03.269 "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)
_Glon189.4632394 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+30.7555301 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)
529536recno 529536  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID493379  Unique identification number for galaxies (meta.id;meta.main)
IDcl341816   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 1   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.16714  Redshift, corrected to CMB rest frame (src.redshift)
Dist483.473 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c483.473 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000123.63589 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+32.53169 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 189.46333 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 30.75560 deg Galactic latitude of galaxy (pos.galactic.lat)
umag20.033 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag18.724 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag17.622 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag17.110 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag16.784 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.54 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-20.24 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-21.12 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-21.53 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.98 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.516 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.546 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.259 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.148 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.136 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 2.020 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 4.511  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 137.862   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 51.181   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 11.337   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 2.168   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 1.419   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 60.407 Mpc Co-moving distance from the survey mask (Note G1)   (pos.distance)
Mph2   [0/2] Morphology of galaxy, 1=S, 2=E (Note 2)   (meta.code;src.morph)
prE0.94  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7 27042  ID number to link to our previous DR7 cat (meta.id)
zobs 0.16647  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor483.473 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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