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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=435240
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ColumnValue  Explain   (UCD)
_RAJ200007 46 48.1536 "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+33 47 41.496 "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)
_RAB195007 43 34.2349 "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+33 55 05.342 "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)
_Glon186.3143649 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+25.5034606 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)
435240recno 435240  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID320060  Unique identification number for galaxies (meta.id;meta.main)
IDcl247520   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 1   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.08651  Redshift, corrected to CMB rest frame (src.redshift)
Dist254.718 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c254.718 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000116.70064 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+33.79486 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 186.31445 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 25.50354 deg Galactic latitude of galaxy (pos.galactic.lat)
umag18.835 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag18.099 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag17.684 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag17.452 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag17.320 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.08 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.00 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-19.42 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-19.59 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-19.80 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.069 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.065 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.032 mag K-correction in r-filter (arith.factor;phot.mag)
kcori-0.028 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz-0.023 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 0.420 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.501  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 6.102   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 2.096   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 1.212   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 1.022   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 0.806   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 7.728 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)
prE0.04  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7 6338  ID number to link to our previous DR7 cat (meta.id)
zobs 0.08595  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor254.718 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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