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=91249
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ColumnValue  Explain   (UCD)
_RAJ200014 42 11.3212800 "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+31 55 36.331932 "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)
_RAB195014 40 04.5650299 "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+32 08 20.562394 "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)
_Glon050.9096581378 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+65.5056227821 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)
91249recno 91249  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC12554  First part of Tycho-2 identifier (meta.id.part;meta.main)
TYC2 556  Second part of Tycho-2 identifier (meta.id.part;meta.main)
TYC31  Third part of Tycho-2 identifier (meta.id.part;meta.main)
RAJ2000220.54717200 deg (i) Right Ascension, J2000, decimal deg. (pos.eq.ra;meta.main)
DEJ2000+31.92675887 deg (i) Declination, J2000, decimal deg. (pos.eq.dec;meta.main)
VTmag 8.811 mag Tycho-2 VT magnitude (phot.mag;em.opt.V)
BTmag 9.317 mag Tycho-2 BT magnitude (phot.mag;em.opt.B)
r_SpTypeppN  Source of spectral type (Note 2)   (meta.ref)
Nameppm 78080  Alternate designation for star (Note 3)   (meta.id)
Dist 0.498 arcsec Distance between Tycho object and spectral type match (Note 4)   (pos.angDistance)
Mag 9.30 mag Magnitude from SpType catalog (Note 5)   (phot.mag)
f_MagP   [VPBX*] Flag indicating type of magnitude (Note 6)   (meta.code.error)
TClassF  Temperature class (Note 7)   (src.spType)
SClass8   Temperature Subclass (Note 7)   (src.spType)
LClass    Luminosity class in numeric form (Note 7)   (src.spType)
Teff 6200 K Effective temperature of the star, based on spectral type (Note G1)   (phys.temperature.effective)
SpType F8  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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