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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=158561
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ColumnValue  Explain   (UCD)
_RAJ200011 43 00.6072 "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+27 23 49.020 "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 40 24.0699 "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+27 40 27.686 "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)
_Glon207.9859114 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+74.8029328 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)
158561recno 158561  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID318581  Unique identification number for galaxies (meta.id;meta.main)
IDcl 44891   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 3   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.03212  Redshift, corrected to CMB rest frame (src.redshift)
Dist 95.663 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c 94.627 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000175.75253 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+27.39695 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 207.98631 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 74.80293 deg Galactic latitude of galaxy (pos.galactic.lat)
umag15.948 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag14.369 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag13.597 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag13.189 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag12.959 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.98 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-20.59 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-21.34 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-21.73 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.98 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.118 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.072 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.044 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.023 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.020 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 2.475 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.084  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 50.418   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 25.528   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 7.080   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 2.928   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 2.034   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 39.708 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)
prE0.96  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7241537  ID number to link to our previous DR7 cat (meta.id)
zobs 0.03112  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor 94.680 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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