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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=476783
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ColumnValue  Explain   (UCD)
_RAJ200015 12 20.5368 "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+13 01 24.096 "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)
_RAB195015 09 58.2853 "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+13 12 37.235 "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)
_Glon016.8184470 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+54.2006659 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)
476783recno 476783  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID395485  Unique identification number for galaxies (meta.id;meta.main)
IDcl289063   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 1   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.04514  Redshift, corrected to CMB rest frame (src.redshift)
Dist134.062 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c134.062 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000228.08557 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+13.02336 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 16.81827 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 54.20072 deg Galactic latitude of galaxy (pos.galactic.lat)
umag17.391 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag16.394 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag16.113 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag15.876 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag15.827 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.27 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.26 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-19.65 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-19.72 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-19.87 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.115 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.014 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.101 mag K-correction in r-filter (arith.factor;phot.mag)
kcori-0.067 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.001 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 0.519 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.154  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 6.091   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 5.084   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 2.680   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 2.090   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 2.158   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 32.272 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)
prE0.29  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7482230  ID number to link to our previous DR7 cat (meta.id)
zobs 0.04459  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor134.062 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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