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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=473776
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ColumnValue  Explain   (UCD)
_RAJ200008 33 47.8992 "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+15 22 47.064 "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)
_RAB195008 30 59.6081 "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+15 33 05.271 "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)
_Glon209.8948562 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+29.4444961 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)
473776recno 473776  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID390066  Unique identification number for galaxies (meta.id;meta.main)
IDcl286056   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 1   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.07941  Redshift, corrected to CMB rest frame (src.redshift)
Dist234.149 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c234.149 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000128.44958 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+15.37974 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 209.89496 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 29.44454 deg Galactic latitude of galaxy (pos.galactic.lat)
umag18.834 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag17.311 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag16.574 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag16.236 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag16.072 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.10 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.71 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-20.40 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-20.65 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-20.90 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.256 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.170 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.085 mag K-correction in r-filter (arith.factor;phot.mag)
kcori-0.003 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.016 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 1.034 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.413  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 14.547   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 3.843   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 1.217   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 0.541   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 0.592   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 38.426 Mpc Co-moving distance from the survey mask (Note G1)   (pos.distance)
Mph0   [0/2] Morphology of galaxy, 1=S, 2=E (Note 2)   (meta.code;src.morph)
prE0.10  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7 44643  ID number to link to our previous DR7 cat (meta.id)
zobs 0.07853  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor234.149 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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