VizieR

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VizieR

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III/231/catalog The Tycho-2 Spectral Type Catalog (Wright+, 2003)
Main Catalog (351863 rows)
  recno=330756
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ColumnValue  Explain   (UCD)
_RAJ200012 31 43.7427816 "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)
_DEJ2000-61 02 19.581036 "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)
_RAB195012 28 54.1489674 "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)
_DEB1950-60 45 46.016336 "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)
_Glon300.5472213375 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+01.7416869695 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)
330756recno 330756  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC18975  First part of Tycho-2 identifier (meta.id.part;meta.main)
TYC2 2282  Second part of Tycho-2 identifier (meta.id.part;meta.main)
TYC31  Third part of Tycho-2 identifier (meta.id.part;meta.main)
RAJ2000187.93226159 deg (i) Right Ascension, J2000, decimal deg. (pos.eq.ra;meta.main)
DEJ2000-61.03877251 deg (i) Declination, J2000, decimal deg. (pos.eq.dec;meta.main)
VTmag 9.646 mag Tycho-2 VT magnitude (phot.mag;em.opt.V)
BTmag 9.694 mag Tycho-2 BT magnitude (phot.mag;em.opt.B)
r_SpTypeppS  Source of spectral type (Note 2)   (meta.ref)
Nameppm 359463  Alternate designation for star (Note 3)   (meta.id)
Dist 0.061 arcsec Distance between Tycho object and spectral type match (Note 4)   (pos.angDistance)
Mag 9.70 mag Magnitude from SpType catalog (Note 5)   (phot.mag)
f_MagV   [VPBX*] Flag indicating type of magnitude (Note 6)   (meta.code.error)
TClassB  Temperature class (Note 7)   (src.spType)
SClass8   Temperature Subclass (Note 7)   (src.spType)
LClass    Luminosity class in numeric form (Note 7)   (src.spType)
Teff11900 K Effective temperature of the star, based on spectral type (Note G1)   (phys.temperature.effective)
SpType B8  Spectral Type (Note 1)   (src.spType)

Tycho-2Tycho-2  Display the Tycho-2 (II/259) data (meta.ref)
MKMK  Find out all spectral classifications in the neighbourhood of this position (meta.ref)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
  
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