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=292331
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ColumnValue  Explain   (UCD)
_RAJ200008 00 28.9599840 "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)
_DEJ2000-48 52 18.354792 "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)
_RAB195007 59 01.3567547 "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)
_DEB1950-48 43 58.213400 "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)
_Glon263.3355875445 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-09.7741181081 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)
292331recno 292331  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC18143  First part of Tycho-2 identifier (meta.id.part;meta.main)
TYC2 3237  Second part of Tycho-2 identifier (meta.id.part;meta.main)
TYC31  Third part of Tycho-2 identifier (meta.id.part;meta.main)
RAJ2000120.12066660 deg (i) Right Ascension, J2000, decimal deg. (pos.eq.ra;meta.main)
DEJ2000-48.87176522 deg (i) Declination, J2000, decimal deg. (pos.eq.dec;meta.main)
VTmag 6.092 mag Tycho-2 VT magnitude (phot.mag;em.opt.V)
BTmag 5.993 mag Tycho-2 BT magnitude (phot.mag;em.opt.B)
r_SpTypemc2  Source of spectral type (Note 2)   (meta.ref)
Namehd 66255  Alternate designation for star (Note 3)   (meta.id)
Dist 0.048 arcsec Distance between Tycho object and spectral type match (Note 4)   (pos.angDistance)
Mag 6.20 mag Magnitude from SpType catalog (Note 5)   (phot.mag)
f_MagP   [VPBX*] Flag indicating type of magnitude (Note 6)   (meta.code.error)
TClassB  Temperature class (Note 7)   (src.spType)
SClass9   Temperature Subclass (Note 7)   (src.spType)
LClass1   Luminosity class in numeric form (Note 7)   (src.spType)
Teff10300 K Effective temperature of the star, based on spectral type (Note G1)   (phys.temperature.effective)
SpType B9 IB  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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