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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=68189
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ColumnValue  Explain   (UCD)
_RAJ200011 30 12.8832 "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+24 10 10.668 "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 27 35.0422 "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+24 26 43.331 "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)
_Glon217.5836048 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+71.4788151 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)
68189recno 68189  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID124580  Unique identification number for galaxies (meta.id;meta.main)
IDcl 18892   [1/388773] Group/cluster ID number (Note 1)   (meta.id)
Ngal 3   [1/878] Richness of group the galaxy belongs to (meta.number)
z 0.02439  Redshift, corrected to CMB rest frame (src.redshift)
Dist 72.769 Mpc Co-moving distance of a galaxy (Note G1)   (pos.distance)
Dist.c 72.271 Mpc Co-moving distance of the group centre (Note G1)   (pos.distance)
RAJ2000172.55368 deg (i) Right ascension of galaxy (J2000) (pos.eq.ra;meta.main)
DEJ2000+24.16963 deg (i) Declination of galaxy (J2000) (pos.eq.dec;meta.main)
GLON 217.58391 deg Galactic longitude of galaxy (pos.galactic.lon)
GLAT 71.47879 deg Galactic latitude of galaxy (pos.galactic.lat)
umag16.114 mag Galactic extinction corrected Petrosian u-magnitude (phot.mag;em.opt.U)
gmag14.413 mag Galactic extinction corrected Petrosian g-magnitude (phot.mag;em.opt.B)
rmag13.653 mag Galactic extinction corrected Petrosian r-magnitude (phot.mag;em.opt.R)
imag13.270 mag Galactic extinction corrected Petrosian i-magnitude (phot.mag;em.opt.I)
zmag13.003 mag Galactic extinction corrected Petrosian z-magnitude (phot.mag;em.opt.I)
uMAG-18.22 mag Absolute u-magnitude (Note G1)   (phys.magAbs)
gMAG-19.94 mag Absolute g-magnitude (Note G1)   (phys.magAbs)
rMAG-20.69 mag Absolute r-magnitude (Note G1)   (phys.magAbs)
iMAG-21.06 mag Absolute i-magnitude (Note G1)   (phys.magAbs)
zMAG-21.34 mag Absolute z-magnitude (Note G1)   (phys.magAbs)
kcoru 0.090 mag K-correction in u-filter (arith.factor;phot.mag)
kcorg 0.054 mag K-correction in g-filter (arith.factor;phot.mag)
kcorr 0.031 mag K-correction in r-filter (arith.factor;phot.mag)
kcori 0.019 mag K-correction in i-filter (arith.factor;phot.mag)
kcorz 0.015 mag K-correction in z-filter (arith.factor;phot.mag)
Lr 1.350 10+10Lsun r-band observed luminosity (Note G1)   (phys.luminosity)
W 1.080  Weight factor for the galaxy (stat.weight)
Rank 1   [1/878] Galaxy rank in its group (stat.fit.param)
Den1 34.673   Normalised environmental density at 1Mpc/h (Note G1)   (phys.density;arith.ratio)
Den2 12.845   Normalised environmental density at 2Mpc/h (Note G1)   (phys.density;arith.ratio)
Den4 7.034   Normalised environmental density at 4Mpc/h (Note G1)   (phys.density;arith.ratio)
Den8 5.475   Normalised environmental density at 8Mpc/h (Note G1)   (phys.density;arith.ratio)
Den16 2.652   Normalised environmental density at 16Mpc/h (Note G1)   (phys.density;arith.ratio)
Edge 17.410 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)
prE0.81  Probability of being an early type galaxy (stat.fit.goodness)
IDDR7225101  ID number to link to our previous DR7 cat (meta.id)
zobs 0.02335  Observed redshift (without CMB correction) (src.redshift;pos.heliocentric)
Distcor 72.291 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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