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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=80732
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ColumnValue  Explain   (UCD)
_RAJ200012 09 08.1984 "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+14 51 35.100 "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)
_RAB195012 06 35.0488 "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+15 08 16.430 "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)
_Glon262.0626868 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+74.2702696 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)
80732recno 80732  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID166244  Unique identification number for galaxies (meta.id;meta.main)
IDcl 22376   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 12   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.08015  Redshift, corrected to CMB rest frame (src.redshift)
Dist236.309 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c236.052 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000182.28416 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+14.85975 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 262.06284 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 74.27019 deg Galactic latitude of galaxy (pos.galactic.lat)
umag20.343 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag18.439 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag17.555 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag17.256 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag16.889 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-16.62 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-18.65 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-19.43 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-19.69 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-20.11 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.273 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.223 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.080 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.042 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.025 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 0.423 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.420  Weight factor for the galaxy (stat.weight)
Rank 11   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 175.059   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 47.101   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 10.084   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 4.765   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 2.189   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 75.455 Mpc Co-moving distance from the survey mask (Note G1)   (pos.distance)
Mph0   [0/2] Morphology of galaxy, 1=S, 2=E (Note 2)   (meta.code;src.morph)
prE0.19  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7275067  ID number to link to our previous DR7 cat (meta.id)
zobs 0.07905  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor236.073 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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