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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=172872
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ColumnValue  Explain   (UCD)
_RAJ200012 59 01.8264 "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+26 48 56.340 "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)
_RAB195012 56 36.5360 "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 05 06.475 "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)
_Glon022.8938303 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+88.2797121 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)
172872recno 172872  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID352523  Unique identification number for galaxies (meta.id;meta.main)
IDcl 49298   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal819   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.02476  Redshift, corrected to CMB rest frame (src.redshift)
Dist 73.870 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c 71.929 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000194.75761 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+26.81565 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 22.89017 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 88.27973 deg Galactic latitude of galaxy (pos.galactic.lat)
umag16.045 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag14.263 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag13.452 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag13.038 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag12.758 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.27 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-20.09 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-20.88 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-21.28 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.58 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.086 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.062 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.031 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.023 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.017 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 1.608 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.081  Weight factor for the galaxy (stat.weight)
Rank 27   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 350.723   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 208.620   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 61.426   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 12.806   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 3.416   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 17.212 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)
prE0.79  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7328997  ID number to link to our previous DR7 cat (meta.id)
zobs 0.02387  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor 72.144 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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