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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=532472
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ColumnValue  Explain   (UCD)
_RAJ200011 48 10.3440 "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+37 57 34.416 "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)
_RAB195011 45 33.5841 "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+38 14 14.579 "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)
_Glon169.7702520 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+72.8659633 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)
532472recno 532472  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID499015  Unique identification number for galaxies (meta.id;meta.main)
IDcl344752   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 1   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.11399  Redshift, corrected to CMB rest frame (src.redshift)
Dist333.620 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c333.620 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000177.04310 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+37.95956 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 169.77060 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 72.86603 deg Galactic latitude of galaxy (pos.galactic.lat)
umag19.043 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag17.467 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag16.611 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag16.187 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag15.913 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.72 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-20.45 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-21.21 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-21.53 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.91 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.395 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.295 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.154 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.050 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.061 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 2.186 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.999  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 53.808   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 9.699   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 2.501   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 1.580   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 1.110   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge168.446 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)
prE0.55  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7248481  ID number to link to our previous DR7 cat (meta.id)
zobs 0.11313  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor333.620 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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