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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=4270
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 20 31.5187000 "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+30 58 29.295000 "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)
_RAB195000 17 54.4086852 "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+30 41 50.928179 "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)
_Glon115.1662261066 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-31.4303895927 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)
4270recno 4270  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)

NameHD1605  Normalised star name (preferably HD) (meta.id;meta.main)
SpTypeK1IV  Spectral Type from Simbad (src.spType)
Bmag 8.481 mag B magnitude (Cat. I/259) (phot.mag;em.opt.B)
e_Bmag 0.017493 mag Error on Bmag (Cat. I/259) (stat.error;phot.mag;em.opt.B)
Vmag 7.520 mag V magnitude (Cat. I/259) (phot.mag;em.opt.V)
e_Vmag 0.009 mag Error on Vmag (Cat. I/259) (stat.error;phot.mag;em.opt.V)
Rmag 6.747611 mag R magnitude (estimated) (phot.mag;em.opt.R)
Imag 6.310833 mag I magnitude (estimated) (phot.mag;em.opt.I)
Jmag 5.850 mag J magnitude (Cat. II/246) (phot.mag;em.IR.J)
e_Jmag 0.027 mag Error on Jmag (Cat. II/246) (stat.error;phot.mag;em.IR.J)
Hmag 5.375 mag H magnitude (Cat. II/246) (phot.mag;em.IR.H)
e_Hmag 0.033 mag Error on Hmag (Cat. II/246) (stat.error;phot.mag;em.IR.H)
Kmag 5.272 mag K magnitude (Cat. II/246) (phot.mag;em.IR.K)
e_Kmag 0.020 mag Error on Kmag (Cat. II/246) (stat.error;phot.mag;em.IR.K)
Lmag 5.201 mag L magnitude (Cat. II/311/wise W1mag) (phot.mag;em.IR.3-4um)
e_Lmag 0.183 mag Error on Lmag (Cat. II/311/wise e_W1mag) (stat.error;phot.mag;em.IR.3-4um)
Mmag 5.067 mag M magnitude (Cat. II/311/wise W2mag) (phot.mag;em.IR.4-8um)
e_Mmag 0.061 mag Error on Mmag (Cat. II/311/wise e_W2mag) (stat.error;phot.mag;em.IR.4-8um)
Nmag 5.151000 mag N magnitude (Cat. II/311/wise W3mag) (phot.mag;em.IR.8-15um)
e_Nmag 0.020 mag Error on Nmag (Cat. II/311/wise e_W3mag) (stat.error;phot.mag;em.IR.8-15um)
LDD 0.437686 mas Limb-Darkened Disk diameter (phys.angSize)
e_LDD 0.010186 mas Error on LDD (and all UDDs) (Note 1)   (stat.error)
LDDCHI 3.07300e-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 0.397671 mas Uniform Disk Diameter in band B (Note 4)   (phys.angSize;em.opt.B)
UDDV 0.405860 mas Uniform Disk Diameter in band V (Note 4)   (phys.angSize;em.opt.V)
UDDR 0.411291 mas Uniform Disk Diameter in band R (Note 4)   (phys.angSize;em.opt.R)
UDDI 0.416930 mas Uniform Disk Diameter in band I (Note 4)   (phys.angSize;em.opt.I)
UDDJ 0.425425 mas Uniform Disk Diameter in band J (Note 4)   (phys.angSize;em.IR.J)
UDDH 0.425425 mas Uniform Disk Diameter in band H (Note 4)   (phys.angSize;em.IR.H)
UDDK 0.427516 mas Uniform Disk Diameter in band K (Note 4)   (phys.angSize;em.IR.K)
UDDL 0.431415 mas Uniform Disk Diameter in band L (Note 4)   (phys.angSize;em.IR.3-4um)
UDDM 0.433021 mas Uniform Disk Diameter in band M (Note 4)   (phys.angSize;em.IR.4-8um)
UDDN 0.434901 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)

RAJ200000 20 31.51870 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+30 58 29.2950 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  
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