Gliese 208

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Gliese 208
Observation data
Epoch J2000      Equinox J2000
Constellation Orion
Right ascension 05h 36m 30.991s[1]
Declination +11° 19′ 40.32″
Apparent magnitude (V) 8.9[1] (binoculars)
Characteristics
Spectral type K7[1][2]
Astrometry
Radial velocity (Rv) 21.9[3]—22.7[1] km/s
Parallax (π) 87.9 ± 1.29[1] mas
Distance 37.1 ± 0.5 ly
(11.4 ± 0.2 pc)
Absolute magnitude (MV) 8.6
Details
Mass 0.47[2] M
Temperature 3750[3] K
Other designations
Gliese 208, BD+11 878, GJ 208, HIP 26335, HD 245409, TYC 709-63-1, SAO 94695[1]

Gliese 208 is an orange dwarf star (K7 spectral class) with an apparent magnitude of 8.9.[1] It is about 0.47 solar masses.[2]

Bobylev's calculations from 2010 suggest that this star passed as close as 1.537 parsecs (5.0 light-years) from the Sun about 500,000 years ago.[2]

References[edit]

  1. ^ a b c d e f g "Gliese 208". SIMBAD Astronomical Database. Retrieved 2010-03-19. 
  2. ^ a b c d Bobylev, Vadim V. (March 2010). "Searching for Stars Closely Encountering with the Solar System". Astronomy Letters 36 (3): 220–226. arXiv:1003.2160. Bibcode:2010AstL...36..220B. doi:10.1134/S1063773710030060. 
  3. ^ a b García-Sánchez, Joan; et al. (February 1999). "Stellar Encounters with the Oort Cloud Based on HIPPARCOS Data". The Astronomical Journal 117 (2): 1042–1055. Bibcode:1999AJ....117.1042G. doi:10.1086/300723. 

External links[edit]

  • Wikisky image of HD 245409 (Gliese 208)