VizieR

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

VizieR

start AladinLite
J/ApJ/655/790/groups Groups of galaxies in 2MASS survey (Crook+, 2007)
Catalog of Groups in the 2MASS Redshift Survey (Low-density-contrast + High-density-contrast, tables 6 and 7 of paper) (2865 rows)
  Group=251, n_Group=L
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200003 36 29.000 "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)
_DEJ2000-20 06 51.00 "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)
_RAB195003 34 15.090 "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)
_DEB1950-20 16 42.34 "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)
_Glon211.470225 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-51.722320 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)
251recno 251  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
n_GroupL  L for Low-density-contrast group, or H for High-density-contrast group (meta.id.part;meta.main)

Group 251  Group number (Note 1)   (meta.id;meta.main)
RAJ200003 36 29.0 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-20 06 51 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Nm 59  Number of members in Group (Note 2)   (meta.number)
NmS 0  Number of simulated members in Group (meta.number)
Dist 22.13 Mpc Mean (corrected) group distance, assuming h=0.73 (pos.distance;pos.heliocentric)
HV 1651 km/s Mean heliocentric group velocity (spect.dopplerVeloc;stat.mean)
sigma 253.5 km/s Line-of-sight velocity dispersion (phys.veloc.dispersion)
Rp 2.15 Mpc Projected virial radius (phys.size.radius)
logM14.180 [solMass] Log of the virial mass (phys.mass)
logMp14.347 [solMass] Log of the projected mass (phys.mass)
logM/L 2.093 [solMass/solLum]Log of projected mass-to-light ratio (phys.luminosity)
a 226 arcmin Semi-major axis of the ellipse fit (Note 3)   (phys.angSize.smajAxis;meta.modelled)
b/a 0.61   Axis ratio of group ellipse fit (phys.angSize;arith.ratio)
PA 6 deg Semi-major axis position angle (Note 4)   (phys.angSize.smajAxis)
LDC    LDC catalog group number that includes all members of this group (for table7.dat only) (meta.id)
  
elapse time 0

Thanks for acknowledging the VizieR Service
Rules of usage of VizieR data

© Université de Strasbourg/CNRS

    • Contact