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III/231/catalog The Tycho-2 Spectral Type Catalog (Wright+, 2003)
Main Catalog (351863 rows)
  recno=135452
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ColumnValue  Explain   (UCD)
_RAJ200005 17 17.6883960 "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+53 35 09.992760 "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)
_RAB195005 13 15.2003107 "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+53 31 55.765107 "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)
_Glon156.3659334673 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+08.9740742504 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)
135452recno 135452  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC13735  First part of Tycho-2 identifier (meta.id.part;meta.main)
TYC2 681  Second part of Tycho-2 identifier (meta.id.part;meta.main)
TYC31  Third part of Tycho-2 identifier (meta.id.part;meta.main)
RAJ2000079.32370165 deg (i) Right Ascension, J2000, decimal deg. (pos.eq.ra;meta.main)
DEJ2000+53.58610910 deg (i) Declination, J2000, decimal deg. (pos.eq.dec;meta.main)
VTmag10.128 mag Tycho-2 VT magnitude (phot.mag;em.opt.V)
BTmag10.997 mag Tycho-2 BT magnitude (phot.mag;em.opt.B)
r_SpTypek83  Source of spectral type (Note 2)   (meta.ref)
Namehd 34019  Alternate designation for star (Note 3)   (meta.id)
Dist 0.111 arcsec Distance between Tycho object and spectral type match (Note 4)   (pos.angDistance)
Mag 8.64 mag Magnitude from SpType catalog (Note 5)   (phot.mag)
f_MagV   [VPBX*] Flag indicating type of magnitude (Note 6)   (meta.code.error)
TClassM  Temperature class (Note 7)   (src.spType)
SClass    Temperature Subclass (Note 7)   (src.spType)
LClass    Luminosity class in numeric form (Note 7)   (src.spType)
Teff 2800 K Effective temperature of the star, based on spectral type (Note G1)   (phys.temperature.effective)
SpType M E  Spectral Type (Note 1)   (src.spType)