VizieR

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VizieR

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J/A+A/602/A100/table2 Merging groups and clusters from the SDSS data (Tempel+, 2017)
Catalog of galaxy groups (88662 rows)
  recno=79474
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200014 22 47.00917104 "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 56 28.9093488 "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)
_RAB195014 20 33.00359089 "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 10 05.3607630 "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)
_Glon037.65755629414 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+69.68624483004 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)
79474recno 79474  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

GroupID 79474   [1/88662] Group/cluster ID (meta.id;meta.main)
Ngal 2   [2/254] Richness (src.class.richness)
RAJ2000215.695871546 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+26.941363708 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
lambda 27.070004677 deg SDSS survey coordinate, λ (pos.frame)
eta -1.914808855 deg SDSS survey coordinate, η (pos.frame)
Xpos-128.796688 Mpc Cartesian x coordinate (Note G1)   (pos.cartesian.x)
Ypos 251.875325 Mpc Cartesian y coordinate (Note G1)   (pos.cartesian.y)
Zpos -8.420738 Mpc Cartesian z coordinate (Note G1)   (pos.cartesian.z)
zcmb 0.06499467   [0/0.2] Redshift (CMB rest frame) (src.redshift)
Dist.c283.020627 Mpc Comoving distance to group center (Note G1)   (pos.distance)
sig.v 27.754247 km/s rms radial velocity deviation σV (phys.veloc.dispersion)
sig.sky 0.147860 Mpc rms deviation of the distance in plane of sky from group center σsky (Note G1)   (stat.error)
Rmax 0.209326 Mpc Maximum radius of the group (Note G1)   (phys.size.radius;stat.max)
M200 2.2666e-01 10+12Msun Estimated mass of the NFW profile group (phys.mass)
R200 1.2585e-01 Mpc Radius, where mean density is 200 the Universe average density (phys.size.radius)
Lrgroup 2.5054e+00 10+10Lsun Observed luminosity (Note G1)   (phys.luminosity)
w 1.264881   [1/9.1] Weight factor for the group (phys.atmol.weight)
Den1 25.57596181  Environment density: 1.5Mpc (Note G2)   (src.density)
Den2 7.20796761  Environment density: 3Mpc (Note G2)   (src.density)
Den4 2.32267141  Environment density: 6Mpc (Note G2)   (src.density)
Den8 1.36708787  Environment density: 10Mpc (Note G2)   (src.density)
DnearestCl 5.586223 Mpc Distance to the nearest cluster (pos.distance)
IDnearestCl 74776  ID of the nearest cluster (meta.id.parent)
IDmerger 0  ID of the group in merger catalog (meta.id.parent)
  
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