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=165
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ColumnValue  Explain   (UCD)
_RAJ200000 09 37.4335992 "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+04 35 09.765816 "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 07 03.4736152 "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+04 18 28.390857 "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)
_Glon103.6903810020 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-56.7154772328 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)
165recno 165  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC1 4  First part of Tycho-2 identifier (meta.id.part;meta.main)
TYC2 982  Second part of Tycho-2 identifier (meta.id.part;meta.main)
TYC31  Third part of Tycho-2 identifier (meta.id.part;meta.main)
RAJ2000002.40597333 deg (i) Right Ascension, J2000, decimal deg. (pos.eq.ra;meta.main)
DEJ2000+04.58604606 deg (i) Declination, J2000, decimal deg. (pos.eq.dec;meta.main)
VTmag10.364 mag Tycho-2 VT magnitude (phot.mag;em.opt.V)
BTmag11.770 mag Tycho-2 BT magnitude (phot.mag;em.opt.B)
r_SpTypeppN  Source of spectral type (Note 2)   (meta.ref)
Nameppm 143201  Alternate designation for star (Note 3)   (meta.id)
Dist 0.584 arcsec Distance between Tycho object and spectral type match (Note 4)   (pos.angDistance)
Mag 10.70 mag Magnitude from SpType catalog (Note 5)   (phot.mag)
f_MagP   [VPBX*] Flag indicating type of magnitude (Note 6)   (meta.code.error)
TClassK  Temperature class (Note 7)   (src.spType)
SClass5   Temperature Subclass (Note 7)   (src.spType)
LClass    Luminosity class in numeric form (Note 7)   (src.spType)
Teff 3950 K Effective temperature of the star, based on spectral type (Note G1)   (phys.temperature.effective)
SpType K5  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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