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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=231246
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ColumnValue  Explain   (UCD)
_RAJ200013 49 38.7840 "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+04 14 17.844 "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)
_RAB195013 47 07.3317 "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+04 29 09.847 "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)
_Glon336.7268103 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+63.2247334 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)
231246recno 231246  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID481364  Unique identification number for galaxies (meta.id;meta.main)
IDcl 66757   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 6   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.02437  Redshift, corrected to CMB rest frame (src.redshift)
Dist 72.688 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c 73.275 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000207.41160 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+04.23829 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 336.72662 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 63.22470 deg Galactic latitude of galaxy (pos.galactic.lat)
umag14.880 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag13.160 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag12.365 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag11.971 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag11.823 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-19.46 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-21.23 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-21.99 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-22.39 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-22.54 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.069 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.061 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.020 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.018 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.008 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 4.497 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.078  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 80.656   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 25.872   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 9.305   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 4.253   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 2.015   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 9.890 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)
prE0.19  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7385569  ID number to link to our previous DR7 cat (meta.id)
zobs 0.02345  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor 73.243 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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