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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=413315
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ColumnValue  Explain   (UCD)
_RAJ200010 33 35.4192 "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 05 54.384 "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)
_RAB195010 30 54.8716 "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 21 23.763 "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)
_Glon226.4317376 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+55.8163028 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)
413315recno 413315  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID278217  Unique identification number for galaxies (meta.id;meta.main)
IDcl225595   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 1   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.09854  Redshift, corrected to CMB rest frame (src.redshift)
Dist289.380 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c289.380 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000158.39758 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+15.09844 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 226.43190 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 55.81629 deg Galactic latitude of galaxy (pos.galactic.lat)
umag19.253 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag17.648 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag16.792 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag16.418 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag16.197 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.19 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.92 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-20.67 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-20.97 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.27 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.345 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.260 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.109 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.035 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.028 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 1.330 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.687  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 27.015   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 6.397   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 3.534   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 2.521   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 1.657   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 81.003 Mpc Co-moving distance from the survey mask (Note G1)   (pos.distance)
Mph2   [0/2] Morphology of galaxy, 1=S, 2=E (Note 2)   (meta.code;src.morph)
prE0.94  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7161612  ID number to link to our previous DR7 cat (meta.id)
zobs 0.09741  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor289.380 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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