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VizieR

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J/ApJS/130/237/table1 LCRS loose groups of galaxies (Tucker+, 2000)
LCRS Groups Catalogue (1495 rows)
  SubG=c, Group=160
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ColumnValue  Explain   (UCD)
_RAJ200012 56 09.8840 "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)
_DEJ2000-12 34 16.230 "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)
_RAB195012 53 32.6307 "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)
_DEB1950-12 18 02.504 "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)
_Glon304.7371029 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+50.2840053 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)
595recno 595  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SubGc   [a-f] Group subdivision (Note G1)   (meta.id.part;meta.main)
Group160  Group identification (meta.id)
f_Group    [*] Flag indicates group is a member of the clean sample (meta.code)
RAB195012 53 32.63 "h:m:s" (i) Group barycenter Right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950-12 18 02.5 "d:m:s" (i) Group barycenter Declination (1950) (pos.eq.dec;meta.main)
z 0.0986  Group redshift (Note 1)   (src.redshift)
LOS286.0 km/s Group line-of-sight velocity dispersion (phys.veloc.dispersion)
e_LOS179.0 km/s Formal standard error in LOS (stat.error)
NLCRS12  Observed number of LCRS galaxies comprising the group (Note 2)   (meta.number)
RadP 1.95 Mpc The mean pairwise separation, in Mpc/h (Note 3)   (pos.distance;phys.size;stat.mean)
e_RadP 0.13 Mpc Estimated rms error in RadP, in Mpc/h (Note 3)   (stat.error)
RadH 1.52 Mpc The harmonic radius, in Mpc/h (Note 3)   (phys.size.radius)
e_RadH 0.20 Mpc Estimated rms error in RadH, in Mpc/h (Note 3)   (stat.error)
CTime 0.14  The crossing time as a fraction of the Hubble time (H0), in H0–1 (time.crossing)
e_CTime 0.09  The estimated rms error CTime as a fraction of the Hubble time (H0), in H0–1 (stat.error)
MVir 1.7e+14 solMass Group's virial mass, in solMass/h (Note 3)   (phys.mass)
e_MVir 2.2e+14 solMass The estimated rms error in MVir, in solMass/h (Note 3)   (stat.error)
RLum 5.8e+11 solLum Total group LCRS R-band luminosity, in solLum/h2 (Note 3)   (phys.luminosity)
e_RLum 6.8e+10 solLum The estimated rms error RLum, solLum/h2 (Note 3)   (stat.error)
LRat 3.33  Ratio by which the sum of the luminosities of NLCRS must be multiplied to obtain an estimate of the RLum. (phys.luminosity;arith.ratio)
M/L 298.0 Sun Group mass-to-light ratio in LCRS R-band, in h.solMass/solLum (Note 3)   (phys.composition.massLightRatio)
e_M/L 377.0 Sun The estimated rms error in M/L, in h.solMass/solLum (Note 3)   (stat.error)
CAbell 21  Group's Abell counts estimate (Note 4)   (meta.number)
e_CAbell 7.4  Estimated rms error in CAbell (Note 5)   (stat.error)
GType 2  The type of group (Note 6)   (meta.code)
RNotesb  Applicable table notes (Note 7)   (meta.code)

_RA.icrs12 56 09.88 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-12 34 16.2 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
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J/ApJS/130/237/table7 LCRS loose groups of galaxies (Tucker+, 2000)
LCRS Group-Abell Cluster Matches (54 rows)
  SubG=c, Group=160
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