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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=169066
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200009 12 26.0435300 "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)
_DEJ2000-07 06 35.378800 "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)
_RAB195009 09 57.8098783 "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)
_DEB1950-06 54 13.076579 "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)
_Glon237.5481170873 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+26.9525647643 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)
169066recno 169066  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* 21 Hya  Normalised star name (preferably HD) (meta.id;meta.main)
SpTypeA0mA5/7-F0  Spectral Type from Simbad (src.spType)
Bmag 6.332 mag B magnitude (Cat. I/259) (phot.mag;em.opt.B)
e_Bmag 0.009434 mag Error on Bmag (Cat. I/259) (stat.error;phot.mag;em.opt.B)
Vmag 6.100 mag V magnitude (Cat. I/259) (phot.mag;em.opt.V)
e_Vmag 0.005 mag Error on Vmag (Cat. I/259) (stat.error;phot.mag;em.opt.V)
Rmag 5.912454 mag R magnitude (estimated) (phot.mag;em.opt.R)
Imag 5.821125 mag I magnitude (estimated) (phot.mag;em.opt.I)
Jmag 5.654 mag J magnitude (Cat. II/246) (phot.mag;em.IR.J)
e_Jmag 0.023 mag Error on Jmag (Cat. II/246) (stat.error;phot.mag;em.IR.J)
Hmag 5.632 mag H magnitude (Cat. II/246) (phot.mag;em.IR.H)
e_Hmag 0.040 mag Error on Hmag (Cat. II/246) (stat.error;phot.mag;em.IR.H)
Kmag 5.544 mag K magnitude (Cat. II/246) (phot.mag;em.IR.K)
e_Kmag 0.021 mag Error on Kmag (Cat. II/246) (stat.error;phot.mag;em.IR.K)
Lmag 5.605 mag L magnitude (Cat. II/311/wise W1mag) (phot.mag;em.IR.3-4um)
e_Lmag 0.155 mag Error on Lmag (Cat. II/311/wise e_W1mag) (stat.error;phot.mag;em.IR.3-4um)
Mmag 5.465 mag M magnitude (Cat. II/311/wise W2mag) (phot.mag;em.IR.4-8um)
e_Mmag 0.057 mag Error on Mmag (Cat. II/311/wise e_W2mag) (stat.error;phot.mag;em.IR.4-8um)
Nmag 5.603000 mag N magnitude (Cat. II/311/wise W3mag) (phot.mag;em.IR.8-15um)
e_Nmag 0.015 mag Error on Nmag (Cat. II/311/wise e_W3mag) (stat.error;phot.mag;em.IR.8-15um)
LDD 0.253635 mas Limb-Darkened Disk diameter (phys.angSize)
e_LDD 0.007453 mas Error on LDD (and all UDDs) (Note 1)   (stat.error)
LDDCHI 2.20095e-01  Chi2 of LDD fitting (Note 2)   (stat.fit.chi2)
CalFlag4   [0/7] Confidence flags for using this star as a calibrator in Optical Interferometry experiments (Note 3)   (meta.code)
UDDB 0.241336 mas Uniform Disk Diameter in band B (Note 4)   (phys.angSize;em.opt.B)
UDDV 0.243117 mas Uniform Disk Diameter in band V (Note 4)   (phys.angSize;em.opt.V)
UDDR 0.245578 mas Uniform Disk Diameter in band R (Note 4)   (phys.angSize;em.opt.R)
UDDI 0.247463 mas Uniform Disk Diameter in band I (Note 4)   (phys.angSize;em.opt.I)
UDDJ 0.249314 mas Uniform Disk Diameter in band J (Note 4)   (phys.angSize;em.IR.J)
UDDH 0.250361 mas Uniform Disk Diameter in band H (Note 4)   (phys.angSize;em.IR.H)
UDDK 0.250852 mas Uniform Disk Diameter in band K (Note 4)   (phys.angSize;em.IR.K)
UDDL 0.252126 mas Uniform Disk Diameter in band L (Note 4)   (phys.angSize;em.IR.3-4um)
UDDM 0.252499 mas Uniform Disk Diameter in band M (Note 4)   (phys.angSize;em.IR.4-8um)
UDDN 0.252893 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)

RAJ200009 12 26.04353 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-07 06 35.3788 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  
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