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VizieR

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II/346/jsdc_v2 JMMC Stellar Diameters Catalogue - JSDC. Version 2 (Bourges+, 2017)
Stellar diameters catalogue, version 2 (465877 rows)
  recno=142321
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ColumnValue  Explain   (UCD)
_RAJ200007 46 40.0787400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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+65 27 20.432900 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195007 41 54.5931615 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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+65 34 40.744197 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon150.7548097809 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+30.1995869103 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)
142321recno 142321  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
Dis 0  indicates differences between JSDC V1 and V2 (meta.note)

Name* 51 Cam  Normalised star name (preferably HD) (meta.id;meta.main)
SpTypeK2III:  Spectral Type from Simbad (src.spType)
Bmag 7.113 mag B magnitude (Cat. I/259) (phot.mag;em.opt.B)
e_Bmag 0.007211 mag Error on Bmag (Cat. I/259) (stat.error;phot.mag;em.opt.B)
Vmag 5.930 mag V magnitude (Cat. I/259) (phot.mag;em.opt.V)
e_Vmag 0.004 mag Error on Vmag (Cat. I/259) (stat.error;phot.mag;em.opt.V)
Rmag 4.995413 mag R magnitude (estimated) (phot.mag;em.opt.R)
Imag 4.250965 mag I magnitude (estimated) (phot.mag;em.opt.I)
Jmag 3.428 mag J magnitude (Cat. II/246) (phot.mag;em.IR.J)
e_Jmag 0.220 mag Error on Jmag (Cat. II/246) (stat.error;phot.mag;em.IR.J)
Hmag 2.999 mag H magnitude (Cat. II/246) (phot.mag;em.IR.H)
e_Hmag 0.182 mag Error on Hmag (Cat. II/246) (stat.error;phot.mag;em.IR.H)
Kmag 2.683 mag K magnitude (Cat. II/246) (phot.mag;em.IR.K)
e_Kmag 0.230 mag Error on Kmag (Cat. II/246) (stat.error;phot.mag;em.IR.K)
Lmag 3.293 mag L magnitude (Cat. II/311/wise W1mag) (phot.mag;em.IR.3-4um)
e_Lmag 0.461 mag Error on Lmag (Cat. II/311/wise e_W1mag) (stat.error;phot.mag;em.IR.3-4um)
Mmag 3.069 mag M magnitude (Cat. II/311/wise W2mag) (phot.mag;em.IR.4-8um)
e_Mmag 0.329 mag Error on Mmag (Cat. II/311/wise e_W2mag) (stat.error;phot.mag;em.IR.4-8um)
Nmag 3.273000 mag N magnitude (Cat. II/311/wise W3mag) (phot.mag;em.IR.8-15um)
e_Nmag 0.013 mag Error on Nmag (Cat. II/311/wise e_W3mag) (stat.error;phot.mag;em.IR.8-15um)
LDD 1.511506 mas Limb-Darkened Disk diameter (phys.angSize)
e_LDD 0.117926 mas Error on LDD (and all UDDs) (Note 1)   (stat.error)
LDDCHI 1.47391e-01  Chi2 of LDD fitting (Note 2)   (stat.fit.chi2)
CalFlag0   [0/7] Confidence flags for using this star as a calibrator in Optical Interferometry experiments (Note 3)   (meta.code)
UDDB 1.374060 mas Uniform Disk Diameter in band B (Note 4)   (phys.angSize;em.opt.B)
UDDV 1.402211 mas Uniform Disk Diameter in band V (Note 4)   (phys.angSize;em.opt.V)
UDDR 1.420887 mas Uniform Disk Diameter in band R (Note 4)   (phys.angSize;em.opt.R)
UDDI 1.440169 mas Uniform Disk Diameter in band I (Note 4)   (phys.angSize;em.opt.I)
UDDJ 1.469368 mas Uniform Disk Diameter in band J (Note 4)   (phys.angSize;em.IR.J)
UDDH 1.469368 mas Uniform Disk Diameter in band H (Note 4)   (phys.angSize;em.IR.H)
UDDK 1.476537 mas Uniform Disk Diameter in band K (Note 4)   (phys.angSize;em.IR.K)
UDDL 1.489975 mas Uniform Disk Diameter in band L (Note 4)   (phys.angSize;em.IR.3-4um)
UDDM 1.495462 mas Uniform Disk Diameter in band M (Note 4)   (phys.angSize;em.IR.4-8um)
UDDN 1.501941 mas Uniform Disk Diameter in band N (4 (phys.angSize;em.IR.8-15um)

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

RAJ200007 46 40.07874 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+65 27 20.4329 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  
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