HD 204521
 The star is visually very close to β Cep (but not shown at this scale) | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cepheus |
| Right ascension | 21h 25m 16.798s[1] |
| Declination | +70° 28′ 39.15″ |
| Apparent magnitude (V) | 7.3[1] (binoculars) |
| Characteristics | |
| Spectral type | G0V[2] |
| Astrometry | |
| Radial velocity (Rv) | -76.6[3] km/s |
| Parallax (π) | 37.87[3] mas |
| Distance | ~83.9 ly (25.733 pc) |
| Details | |
| Other designations | |
BD+69 1169, GJ 4194, HIP 105766, HD 204521, TYC 4465-1133-1, SAO 10045[1] | |
HD 204521 is a potential Sun-like star (G5 spectral class) with an apparent magnitude of 7.3.[1] In the sky it is near the magnitude 3.2 star Beta Cephei (β Cep).
Bobylev's calculations from 2010 suggest that this star will pass about 2.20 parsecs (7.2 light-years) from the Sun in about 341 thousand years.[3]
See also
References
- 1 2 3 4 "HIP 105766". SIMBAD Astronomical Database. Retrieved 2010-03-22.
- ↑ Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Robinson, P. E. (2003). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I". The Astronomical Journal. 126 (4): 2048. arXiv:astro-ph/0308182
. Bibcode:2003AJ....126.2048G. doi:10.1086/378365. - 1 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.
External links
- Wikisky image of HD 204521 (HIP 105766)
- List of G stars within 100 light-years
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