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VizieR

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V/86/ceddu2 Interstellar matter in the Galactic Disk (Guarinos J., 1992)
Catalogue of Extinctions and Distances Derived from UBV data (1) (15449 rows)
  recno=7895
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ColumnValue  Explain   (UCD)
_RAJ200006 49 40.05 "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)
_DEJ2000-15 02 42.0 "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)
_RAB195006 47 23.83 "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)
_DEB1950-14 59 11.4 "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)
_Glon226.19477 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 -7.18088 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)
7895recno 7895  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

StarHD 49812  Identifier, either HD or BD/CD/CPD (meta.id;meta.main)
MKB9. V  The full MK spectral type including all spectrum peculiarities written in a standard format (stat.error;src.spType)
r_MKH   [HJBSK] Source of MK (see table ceddu1) (meta.ref;pos.frame)
RAB200006 49 40 "h:m:s" (i) Right Ascension B2000 (pos.eq.ra;meta.main)
n_RAB2000    [*] An '*' exists if RA was originally expressed in tenths of minutes (meta.note)
DEB2000-15 02.7 "d:m:s" (i) Declination B2000 (pos.eq.dec;meta.main)
GLON226.19 deg [0/360[ Galactic longitude (pos.galactic.lon)
GLAT -7.18 deg Galactic latitude (pos.galactic.lat)
Vmag 7.560 mag Apparent V magnitude, as in table ceddu1 (phot.mag;em.opt.V)
o_Vmag 1  Number of measurements used to derive Vmag (meta.number)
e_Vmag 0.000 mag Mean error (rms) of Vmag (stat.error;phot.mag;em.opt.V)
(B-V) 0.010 mag Colour index, as in table ceddu1 (phot.color;em.opt.B;em.opt.V)
o_(B-V) 1  Number of measurements used to derive (B-V) (meta.number)
e_(B-V) 0.000 mag Mean error (rms) of (B-V) (stat.error)
(U-B)-0.060 mag Colour index (3) (phot.color;em.opt.U;em.opt.B)
o_(U-B) 1   Number of observations used to derive (U-B) (meta.number)
e_(U-B) 0.000 mag Mean error (rms) of (U-B) (stat.error)
  
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