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Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
Box size
VII/256
15834
Groups of Galaxies from CfA2 Redshift Survey (Mahtessian++, 2010)
ReadMe+ftp
2010Ap.....53...70M
Similar Catalogs
Post annotation
1.
VII/256/table2
Mean parameters of groups
(1971 rows)
meta
VII/256/table2
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Group
(i)
Group number
(
meta.id;meta.main
)
(
ID_MAIN
)
RA1950
"h:m:s"
(i)
A mean right ascension of group (1950)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DE1950
"d:m:s"
(i)
A mean declination of group (1950)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
Ng
Number of visible members of group
(
meta.number
)
(
NUMBER
)
VG
km/s
Mean Virgocentric velocity of group
(
phys.veloc;pos.lg
)
(
VELOC_LG
)
sigma
km/s
A dispersion of radial velocity of members of group
(
spect.dopplerVeloc
)
(
VELOC_DISP
)
Rmean
Mpc
Mean distance of members of group from its centre
(
phys.size.radius
)
(
PHYS_SIZE_RADIUS_GENERAL
)
Rmax
Mpc
Group radius: the greatest distance of members of group from its centre
(
phys.size.radius
)
(
PHYS_SIZE_RADIUS_GENERAL
)
Lobs
solLum
Total luminosity of visible members of group
(
phys.luminosity
)
(
PHYS_LUMINOSITY_GENERAL
)
Ltot
solLum
Total luminosity both visible, and invisible members of group
(
phys.luminosity
)
(
PHYS_LUMINOSITY_GENERAL
)
FIC
%
Relative quantity of false members of groups in percentage (Mahtessian,
1998Ap.....41..308M
)
(
stat.fit.goodness
)
(
STAT_PROBABILITY
)
_RA.icrs
"h:m:s"
(n)
(i)
Right ascension (ICRS) (computed by VizieR, not part of the original data)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
_DE.icrs
"d:m:s"
(n)
(i)
Declination (ICRS) (computed by VizieR, not part of the original data)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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