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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=513164
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ColumnValue  Explain   (UCD)
_RAJ200014 20 00.2592 "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+23 06 41.688 "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)
_RAB195014 17 42.8080 "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+23 20 25.210 "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)
_Glon026.4933498 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+69.5831151 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)
513164recno 513164  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID463136  Unique identification number for galaxies (meta.id;meta.main)
IDcl325444   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 1   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.05013  Redshift, corrected to CMB rest frame (src.redshift)
Dist148.727 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c148.727 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000215.00108 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+23.11158 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 26.49304 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 69.58318 deg Galactic latitude of galaxy (pos.galactic.lat)
umag18.028 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag16.390 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag15.546 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag15.106 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag14.750 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-17.93 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.59 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-20.43 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-20.82 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.23 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.201 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.119 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.091 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.039 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.048 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 1.068 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.184  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 27.822   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 9.479   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 3.473   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 1.166   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 1.128   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 66.133 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)
prE0.02  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7421034  ID number to link to our previous DR7 cat (meta.id)
zobs 0.04943  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor148.727 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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