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VizieR

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V/86/ceddu1 Interstellar matter in the Galactic Disk (Guarinos J., 1992)
Catalogue of Extinctions and Distances Derived from UBV data (parameters) (15449 rows)
  recno=4299
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ColumnValue  Explain   (UCD)
_RAJ200000 54 17.8 "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)
_DEJ2000-08 44 26 "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 51 46.4 "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)
_DEB1950-09 00 42 "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)
_Glon125.1700 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-71.6000 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)
4299recno 4299  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

StarHD 5268  Identifier, either HD or BD/CD/CPD (meta.id;meta.main)
MKG5. IV  The MK spectral type written in a standard format (stat.error;src.spType)
r_MKB   [HJBSK] Source of MK (Note 1)   (meta.ref;pos.frame)
Vmag 6.157 mag Apparent magnitude in UBV system (Note 2)   (phot.mag;em.opt.V)
B-V 0.923 mag Colour index in UBV system (Note 2)   (phot.color;em.opt.B;em.opt.V)
U-B 0.540 mag Colour index in UBV system (Note 3)   (phot.color;em.opt.U;em.opt.B)
absVmag 3.20 mag Absolute magnitude (section 3.3.2) (phys.magAbs)
r_absVmagCGMK  Source of absVmag (Note 3)   (meta.ref)
(B-V)0 0.77 mag Intrincic colour (phot.color;em.opt.B;em.opt.V)
r_(B-V)0SK  Source of (B-V)0 (Note 4)   (meta.ref;pos.frame)
Av 0.53 mag Interstellar extinction (section 3.3.1) (phys.absorption)
HDist 31 pc Heliocentric distance (pos.distance;pos.heliocentric)
xDist 8 pc X-component of distance vector (Hdist*cos(b)*cos(l)) (pos.distance;pos.dirCos)
yDist 6 pc Y-component of distance vector (Hdist*cos(b)*sin(l)) (pos.distance;pos.dirCos)
zDist -29 pc Z-component of distance vector (Hdist*sin(b)) (pos.distance)
GLON125.17 deg [0/360[ Galactic longitude (pos.galactic.lon)
GLAT-71.60 deg Galactic latitude (pos.galactic.lat)

_RA.icrs013.57 deg (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-08.74 deg (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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