VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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B/ocl/clusters Optically visible open clusters and Candidates (Dias+ 2002-2015)
The Catalogue Data File (V3.5) (2167 rows)
  recno=1930
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ColumnValue  Explain   (UCD)
_RAJ200020 41 04.00 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (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+16 37 06.0 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (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)
_RAB195020 38 45.42 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950. (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+16 26 22.3 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950. (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)
_Glon061.10735 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-15.19772 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)
1930recno 1930  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
P   {vNote}P indicates that photometry exists (meta.ref.url)

ClusterNGC 6950  (i) Cluster name (meta.id;meta.main)
RAJ200020 41 04 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
DEJ2000+16 37 06 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
Class   Flag for classification of the cluster (Note G1)   (meta.code)
Diam 15.0 arcmin [0.2/1400] Angular apparent diameter (phys.angSize)
Dist 1070 pc [25/15000] Distance from WEBDA (pos.distance;pos.heliocentric)
E(B-V) 0.060 mag [0/6] Colour excess in BV (phot.color.excess)
Age 9.260 [yr] [6/10.1] Age (in log t) (time.age)
r_pmRAD14  Source of mean pm determination, in refs.dat (meta.ref;pos.pm;pos.eq.ra)
pmRA -1.77 mas/yr Mean proper motion of the cluster in RA (pos.pm;pos.eq.ra)
e_pmRA 0.21 mas/yr Standard deviation in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -3.62 mas/yr Mean proper motion of the cluster in Dec (pos.pm;pos.eq.dec)
e_pmDE 0.20 mas/yr Standard deviation in pmDE (stat.error;pos.pm;pos.eq.dec)
Nc 299   [1/14341] Estimated number of cluster members (this number may be an unrealistic overestimate in the case of clusters with large angular diameters) (meta.number)

K14K14  Details from Kharchenko et al. 2014 (J/A+A/558/A53) (meta.ref.url)

RV  km/s Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV  km/s Error in Radial Velocity (stat.error)
o_RV    [0/537] Number of stars used to determine RV (meta.number)
r_RV   Source of mean RV determination, in refs.dat (meta.ref;pos.frame)
[Fe/H]  Sun [-1.6/0.5] Metallicity (phys.abund.Z)
e_[Fe/H]  Sun Error in [Fe/H] (stat.error;phys.abund.Fe)
o_[Fe/H]    [0/60] Number of stars used to determine [Fe/H] (meta.number)
TrType   Trumpler type determined in the DSS inspection (concentration-brightness-richness-nebulosity) (src.class)

WEBDAWEBDA  Find out what exists about this cluster in the WEBDA data-base (meta.ref.url)
LyngaLynga  Display the data available in Lyngå's catalogue (meta.ref.url)
  
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