T Vulpeculae

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T Vulpeculae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Vulpecula
Right ascension 20h 51m 28.23877 s [1]
Declination 28° 15 01.8302 [1]
Spectral typeF2/F3II+B6.0 [1]

T Vulpeculae is a star in the constellation Vulpecula. A Cepheid variable, its apparent magnitude ranges from 5.41 to 6.09 over 4.4 days.[2] It is a yellow-white supergiant of spectral type F5Ib-G0Ib.[2] A binary, it has a 2.1 solar-mass companion that is a white main sequence star of spectral type A0V.[3]

References

  1. 1.0 1.1 1.2 "T Vulpeculae". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 24 January 2014. 
  2. 2.0 2.1 BSJ (4 January 2010). "T Vulpeculae". AAVSO Website. American Association of Variable Star Observers. Retrieved 24 January 2014. 
  3. Evans, Nancy Remage; Bond, Howard E.; Schaefer, Gail H.; Mason, Brian D.; Karovska, Margarita; Tingle, Evan (2013). "Binary Cepheids: Separations and Mass Ratios in 5M ⊙ Binaries". Astronomical Journal 46 (4): 93, 10 pp. 
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