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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=27120
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ColumnValue  Explain   (UCD)
_RAJ200011 22 05.4240 "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+00 47 03.444 "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 19 31.4822 "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+01 03 30.827 "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)
_Glon260.0739116 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+56.0343279 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)
27120recno 27120  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID 45252  Unique identification number for galaxies (meta.id;meta.main)
IDcl 7260   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 7   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.10633  Redshift, corrected to CMB rest frame (src.redshift)
Dist311.740 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c309.727 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000170.52260 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+00.78429 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 260.07400 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 56.03427 deg Galactic latitude of galaxy (pos.galactic.lat)
umag18.422 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag16.631 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag15.686 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag15.311 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag15.102 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-19.19 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-21.14 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-21.93 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-22.25 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-22.52 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.384 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.314 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.114 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.058 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.028 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 4.243 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.819  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 183.542   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 44.241   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 12.004   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 5.382   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 2.453   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 11.002 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)
prE0.95  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7215116  ID number to link to our previous DR7 cat (meta.id)
zobs 0.10512  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor309.833 Mpc Corrected co-moving distance of galaxy (G1) (in Mpc/h) (pos.distance)
fc2   [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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