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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=29067
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ColumnValue  Explain   (UCD)
_RAJ200009 07 50.7864 "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+16 38 17.916 "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)
_RAB195009 05 03.2370 "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+16 50 26.034 "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)
_Glon212.2186473 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+37.4925888 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)
29067recno 29067  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID 48419  Unique identification number for galaxies (meta.id;meta.main)
IDcl 7763   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 25   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.07365  Redshift, corrected to CMB rest frame (src.redshift)
Dist217.451 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c216.308 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000136.96161 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+16.63831 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 212.21877 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 37.49262 deg Galactic latitude of galaxy (pos.galactic.lat)
umag18.762 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag17.088 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag16.162 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag15.727 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag15.351 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.01 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.80 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-20.66 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-21.05 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.48 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.254 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.207 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.108 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.065 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.062 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 1.314 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.351  Weight factor for the galaxy (stat.weight)
Rank 3   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 305.355   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 77.142   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 19.271   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 4.535   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 1.763   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 53.154 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)
prE0.86  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7 77396  ID number to link to our previous DR7 cat (meta.id)
zobs 0.07268  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor216.384 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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