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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
J/MNRAS/426/296
2974
Compact Groups of galaxies from 2MASX (Diaz-Gimenez+, 2012)
ReadMe+ftp
2012MNRAS.426..296D
Similar Catalogs
Post annotation
1.
J/MNRAS/426/296/tablec1
CGs after velocity filtering in the 2MASS XSC
(85 rows)
meta
J/MNRAS/426/296/tablec1
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
)
CG
(i)
[1/85] Group identification number
(
meta.id;meta.main
)
(
ID_MAIN
)
RAJ2000
"h:m:s"
(i)
CG centre Right ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(i)
CG centre Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
RV
km/s
Median radial velocity
(
phys.veloc;pos.heliocentric
)
(
VELOC_HC
)
Ng
Number of galaxy members in the CG in the range of 3mag from the brightest member
(
meta.number
)
(
NUMBER
)
Kmagb
mag
Extinction-corrected K-band apparent magnitude of the brightest galaxy
(
phot.mag;em.IR.K
)
(
PHOT_JHN_K
)
muK
mag/arcsec2
Extinction-corrected K-band group surface brightness
(
phot.mag.sb;em.IR.K
)
(
PHOT_SB_K
)
theta
arcmin
Angular diameter θ
G
of the smallest circumscribed circle to the group
(
phys.angSize;pos.lg
)
(
EXTENSION_DIAM
)
<Rij>
kpc
Median projected separation among galaxies (in kpc/h, Ho=100h.km/s/Mpc)
(
pos.distance
)
(
PHYS_DISTANCE_PROJ
)
b/a
[0/1] Apparent group elongation
(
phys.size.axisRatio
)
(
PHYS_AXIS-RATIO
)
sigma
km/s
Radial velocity dispersion of the galaxies in the CG
(
spect.dopplerVeloc
)
(
VELOC_DISP
)
H0.tcr
Dimensionless crossing time
(
pos.distance;time.crossing
)
(
TIME_CROSSING
)
M/L
Msun/Lsun
Mass-to-light ratio in the K band (in h*M
☉
/L
☉
, Ho=100h.km/s/Mpc)
(
phys.composition.massLightRatio
)
(
PHYS_MASS/LIGHT
)
CID
(char)
Cross-identification with other group catalogues
(Note 1)
(
meta.id
)
(
ID_ALTERNATIVE
)
Simbad
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(i)
indexed column
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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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