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VizieR

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J/A+A/558/A53/catalog Milky Way global survey of star clusters. II. (Kharchenko+, 2013)
Catalog of parameters for open clusters
image/eps
(3006 rows)
  recno=1423
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200010 23 56.40 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-57 45 36.0 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 22 06.00 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-57 30 22.2 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon284.26175 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-00.33691 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)
1423recno 1423  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
mapmap  
image/eps
map as basic panel (meta.ref.url)
cmdcmd  
image/eps
Color-Magnitude Diagram as basic panel (meta.ref.url)
starsstars  Display this cluster star catalog (meta.ref.url)

MWSC1801   [1/3784] MWSC sequential number (linked to names and notes ) (meta.id;meta.main)
NameWesterlund_2  NGC, IC or other common designation (meta.number)
Typen   [agmnrs] Cluster type (Note G1)   (meta.code.class)
n_Typeo   [oc] object/candidate (meta.note)
RAJ2000155.985 deg (i) Adopted cluster centre in RA J2000.0 (pos.eq.ra;meta.main)
DEJ2000-57.760 deg (i) Adopted cluster centre in Dec J2000.0 (pos.eq.dec;meta.main)
GLON 284.257 deg Galactic longitude (pos.galactic.lon)
GLAT -0.336 deg Galactic latitude (pos.galactic.lat)
r0 0.015 deg Angular radius of the core (0 if no core) (phys.angSize)
r1 0.050 deg Angular radius of the central part (meta.id.part;phys.angSize)
r2 0.075 deg Angular radius of the cluster (phys.angSize)
pmRA -6.77 mas/yr Average proper motion in RA*cos(DE) (pos.pm;pos.eq.ra)
pmDE 4.84 mas/yr Average proper motion in DE (pos.pm;pos.eq.dec)
e_pm 1.18 mas/yr Error of proper motion (stat.error)
RV  km/s Average radial velocity (phys.veloc;pos.heliocentric)
e_RV  km/s Error of RV (stat.error)
o_RV 0   [0/106] Number of stars used for RV (meta.number)
N1sr0 1   [0/147] Number of most probable (1-σ) members in r0 (meta.number)
N1sr1 21   [2/950] Number of most probable (1-σ) members in r1 (Note 1)   (meta.number)
N1sr2 51   [7/4262] Number of most probable (1-σ) members in r2 (meta.number)
d 4469 pc Distance from the Sun (pos.distance;pos.heliocentric)
E(B-V) 1.395 mag Colour-excess in (B-V) (phot.color.excess)
MOD 13.700 mag Apparent distance modulus, mKs-MKs (phot.mag.distMod)
E(J-Ks) 0.670 mag Colour-excess in (J-Ks) (phot.color.excess)
E(J-H) 0.447 mag Colour-excess in (J-H) (phot.color.excess)
dH 0.050 mag Correction δH to Hmag of fitted isochrone (phot.mag;arith.diff)
logt 6.600 [yr] [6/10.1] Logarithm of average age (time.age;stat.mean)
e_logt  [yr] Error of logt (stat.error)
Nt    [0/149] Number of stars used for logt calculation (Note 2)   (meta.number)
rc 2.22 pc King' core radius (phys.size.radius)
e_rc 0.58 pc Error of core radius (stat.error)
rt 14.16 pc King' tidal radius (phys.size.radius)
e_rt 3.26 pc Error of tidal radius (stat.error)
k 0.60 pc-2 King' normalization factor (stat.fit.param)
e_k 0.13 pc-2 Error of normalization factor (stat.error)
SrcDIAS  Source for MWSC list and input parameters (Note G2)   (meta.bib)
SType   Source object type (Note G3)   (src.class)
[Fe/H]  [Sun] Metallicity (Note 3)   (phys.abund.Z)
e_[Fe/H]  [Sun] Error of Metallicity (stat.error;phys.abund.Fe)
o_[Fe/H] 0   [0/580] Number of stars used for [Fe/H] (meta.number)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
  
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