Gliese 208
From Wikipedia, the free encyclopedia
| 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
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "Gliese 208". SIMBAD Astronomical Database. Retrieved 2010-03-19.
- ↑ 2.0 2.1 2.2 2.3 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.
- ↑ 3.0 3.1 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
- Wikisky image of HD 245409 (Gliese 208)
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||
This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.