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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=110428
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ColumnValue  Explain   (UCD)
_RAJ200014 22 57.8904 "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+26 55 16.644 "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 20 43.8896 "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+27 08 52.636 "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)
_Glon037.6118336 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+69.6440027 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)
110428recno 110428  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID209015  Unique identification number for galaxies (meta.id;meta.main)
IDcl 30763   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 2   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.06492  Redshift, corrected to CMB rest frame (src.redshift)
Dist192.040 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c192.244 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000215.74121 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+26.92129 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 37.61154 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 69.64407 deg Galactic latitude of galaxy (pos.galactic.lat)
umag18.150 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag17.176 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag16.872 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag16.632 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag16.662 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.27 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.28 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-19.66 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-19.70 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-19.82 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.137 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.032 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.080 mag K-correction in r-filter (arith.factor;phot.mag)
kcori-0.124 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz-0.025 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 0.524 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.282  Weight factor for the galaxy (stat.weight)
Rank 2   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 17.819   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 6.256   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 2.219   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 1.275   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 1.920   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 96.330 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)
prE0.07  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7424276  ID number to link to our previous DR7 cat (meta.id)
zobs 0.06427  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor192.040 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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