VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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J/A+A/618/A81/2mrs_gr Bayesian group finder applied to the 2MRS data (Tempel+, 2018)
Catalogue of galaxy groups (7755 rows)
  recno=4690
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200013 21 01.0896 "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)
_DEJ2000-43 41 53.520 "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)
_RAB195013 18 05.7008 "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)
_DEB1950-43 26 11.041 "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)
_Glon308.5748807 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+18.8492064 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)
4690recno 4690  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

GroupID4690  Group or cluster ID (meta.id;meta.main)
Ngal 6  Richness of the group (meta.number)
RAJ2000200.25454 deg (i) Right ascension of the group centre (J2000) (pos.eq.ra;meta.main)
DEJ2000-43.69820 deg (i) Declination of the group centre (J2000) (pos.eq.dec;meta.main)
GLON308.57489 deg Galactic longitude of the group centre (pos.galactic.lon)
GLAT 18.84920 deg Galactic latitude of the group centre (pos.galactic.lat)
SGLON160.18181 deg Supergalactic longitude of the group centre (pos.supergalactic.lon;pos.lg)
SGLAT -6.21487 deg Supergalactic latitude of the group centre (pos.supergalactic.lat;pos.lg)
zcmb 0.01257  CMB-corrected redshift of the group (src.redshift)
DistG 55.4355 Mpc Comoving distance to the group centre (pos.distance)
sigmav 327.245 km/s RMS deviation of the radial velocities (stat.stdev)
sigmasky 0.1598 Mpc RMS deviation of the sky-projected distances (stat.stdev)
Rmax 0.4151 Mpc Distance from group centre to the farthest member (pos.distance)
M200 32.82905 10+12Msun Estimated mass of the group assuming the NFW density profile (phys.mass)
R200 0.6721 Mpc Radius where the group mean density is 200 times the Universe average density (phys.size.radius)
XSG -51.8456 Mpc Supergalactic cartesian x coordinate (pos.cartesian.x;pos.supergalactic)
YSG 18.6844 Mpc Supergalactic cartesian y coordinate (pos.cartesian.y;pos.supergalactic)
ZSG -6.0014 Mpc Supergalactic cartesian z coordinate (pos.cartesian.z;pos.supergalactic)

Simbad[TKK2018] 4690  ask the Simbad data-base about this object (meta.ref.url)
  
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