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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=81208
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ColumnValue  Explain   (UCD)
_RAJ200012 16 42.3624 "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 16 40.080 "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 14 09.7539 "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+14 33 19.731 "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)
_Glon268.9854797 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+74.8113987 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)
81208recno 81208  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID149817  Unique identification number for galaxies (meta.id;meta.main)
IDcl 22513   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 13   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.02460  Redshift, corrected to CMB rest frame (src.redshift)
Dist 73.391 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c 75.093 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000184.17651 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+14.27780 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 268.98560 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 74.81132 deg Galactic latitude of galaxy (pos.galactic.lat)
umag16.490 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag15.390 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag15.032 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag14.794 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag14.672 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-17.91 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.00 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-19.39 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-19.59 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-19.74 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.073 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.012 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.031 mag K-correction in r-filter (arith.factor;phot.mag)
kcori-0.005 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.003 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 0.409 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.076  Weight factor for the galaxy (stat.weight)
Rank 3   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 37.326   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 9.744   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 4.877   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 3.581   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 2.302   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 20.189 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)
prE0.16  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7284349  ID number to link to our previous DR7 cat (meta.id)
zobs 0.02351  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor 75.021 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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