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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/ApJS/280/28
-1
OB associations from LAMOST DR7 & Gaia DR3 (Liu+, 2025)
ReadMe+ftp
2025ApJS..280...28L
Similar Catalogs
Post annotation
1.
J/ApJS/280/28/table1
(c)
The parameters of 67 OB associations and 112 OB association candidates
(179 rows)
meta
J/ApJS/280/28/table1
2.
J/ApJS/280/28/table2
(c)
The 3707 OB members for 67 OB associations and 112 OB association candidates
(3707 rows)
meta
J/ApJS/280/28/table2
Xmatch is
on
off
Radius:
arcsec
Master table:
all - matching rows only
J/ApJS/280/28/table1
J/ApJS/280/28/table2
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
Seq
(i)
[1/179] Cluster identifier in this work
(
meta.id;meta.main
)
(
ID_MAIN
)
(ALL)
GLON
deg
[64.72/212.22] Galactic longitude
(
pos.galactic.lon
)
(
POS_GAL_LON
)
(ALL)
GLAT
deg
[-13.37/7.27] Galactic latitude
(
pos.galactic.lat
)
(
POS_GAL_LAT
)
(ALL)
pmRA
mas/yr
[-3.89/3.74] Average proper motion along RA
(
pos.pm;pos.eq.ra
)
(
POS_EQ_PMRA
)
(ALL)
pmDE
mas/yr
[-8.41/0.63] Average proper motion along DE
(
pos.pm;pos.eq.dec
)
(
POS_EQ_PMDEC
)
(ALL)
Vlos
km/s
[-103.5/227.45] Average line-of-sight velocity
(
phys.veloc;stat.mean
)
(
VELOC_MISC
)
(1)
e_Vlos
km/s
[1.6/23.41] Uncertainty in Vlos
(
stat.error;phys.veloc;stat.mean
)
(
ERROR
)
(ALL)
Vl
km/s
[-224.19/61.45] Average velocity along GLON
(
stat.mean;phys.veloc;pos.galactic.lon
)
(
VELOC_TANG_GAL
)
(1)
e_Vl
km/s
[0.31/11.97] Uncertainty in Vl
(
stat.error;phys.veloc;pos.galactic.lon
)
(
ERROR
)
(ALL)
Vb
km/s
[-14.34/20.03] Average velocity along GLAT
(
stat.mean;phys.veloc;pos.galactic.lat
)
(
VELOC_TANG_GAL
)
ALL
cols
(i)
indexed column
(1)
e_Vb
km/s
[0.28/11.48] Uncertainty in Vb
(
stat.error;phys.veloc;pos.galactic.lat
)
(
ERROR
)
(1)
Dsun
pc
[562/4657] Average heliocentric distance
(
pos.distance
)
(
PHYS_DISTANCE_TRUE
)
(1)
e_Dsun
pc
[10/420] Uncertainty in dsun
(
stat.error;pos.distance
)
(
ERROR
)
(1)
GNum
[5/545] Total number of OB stars in the group
(
meta.number
)
(
NUMBER
)
(1)
ONum
[0/9] Number of O-type stars in group
(
meta.number
)
(
NUMBER
)
(1)
Size
pc
[0/307] Diameter of OB association
(
phys.size.diameter
)
(
PHYS_SIZE_DIAM
)
(1)
_RA.icrs
deg
(i)
Right Ascension (ICRS, epoch 2000) computed by CDS
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
(1)
_DE.icrs
deg
(i)
Declination (ICRS, epoch 2000) computed by CDS
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
(2)
ObsID
[2403009/733515159] LAMOST DR7 object identifier
(
meta.id;obs
)
(
OBS_ID
)
(2)
LAMOST
(char)
LAMOST DR7 object designation (JHHMMSS.ss+DDMMSS.s)
(
meta.id;meta.main
)
(
ID_MAIN
)
(2)
RAJ2000
deg
(i)
[8.29/353] LAMOST DR7 Right Ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(2)
DEJ2000
deg
(i)
[-4.72/61] LAMOST DR7 Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(2)
RVel
km/s
[-97/67] Radial velocity from laspec algorithm
(
spect.dopplerVeloc
)
(
VELOC_HC
)
ALL
cols
(i)
indexed column
(2)
e_RVel
km/s
[0.5/18] Uncertainty in RVel
(
stat.error;spect.dopplerVeloc
)
(
ERROR
)
(2)
Gaia
Gaia DR3 identifier
(
meta.id.cross
)
(
ID_CROSSID
)
(2)
e_pmRA
mas/yr
[0.01/0.06] Uncertainty in pmRA
(
stat.error;pos.pm;pos.eq.ra
)
(
ERROR
)
(2)
e_pmDE
mas/yr
[0.01/0.04] Uncertainty in pmDE
(
stat.error;pos.pm;pos.eq.dec
)
(
ERROR
)
(2)
Xpos
kpc
[-13/-7.6] Galactocentric coordinate in the direction opposite the Sun
(
pos.galactocentric;pos.cartesian.x
)
(
POS_GAL_X
)
(2)
Ypos
kpc
[-1.7/3.1] Galactocentric coordinate in the direction of Galactic rotation
(
pos.galactocentric;pos.cartesian.y
)
(
POS_GAL_Y
)
(2)
Zpos
kpc
[-0.4/0.51] Galactocentric coordinate in the direction north of Galactic pole
(
pos.galactocentric;pos.cartesian.z
)
(
POS_GAL_Z
)
(2)
Rpgeo
pc
[489.9/5317.1] Median of the photogeometric distance posterior from
I/352
(
pos.distance;stat.median
)
(
PHYS_DISTANCE_TRUE
)
(2)
B_Rpgeo
pc
[497/5852] The 84th percentile of Rpgeo
(
pos.distance;stat.median;stat.max
)
(
ERROR
)
(2)
b_Rpgeo
pc
[483/4781] The 16th percentile of Rpgeo
(
pos.distance;stat.median;stat.min
)
(
ERROR
)
(2)
BJ21
(char)
Display data from Bailer-Jones+ 2021,
I/352
(
meta.ref.url
)
(
DATA_LINK
)
(2)
SpT
(char)
Spectral type
(Note 1)
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
(2)
L24
(char)
Display data from Liu+ 2024,
J/ApJS/275/24
(
meta.ref.url
)
(
DATA_LINK
)
(2)
Ver
(char)
LAMOST release the star can be found in; DR3, DR5 or DR7
(
time.release;meta.table
)
(
ID_VERSION
)
ALL
cols
(i)
indexed column
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UCD1
http://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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