HD 204521
| 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 | G5[1][2] |
| Astrometry | |
| Radial velocity (Rv) | -76.6[2] km/s |
| Parallax (π) | 37.87[2] 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] | |
 The star is visually very close to β Cep (but not shown at this scale) | |
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.[2]
See also
- List of nearest stars
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "HIP 105766". SIMBAD Astronomical Database. Retrieved 2010-03-22.
- ↑ 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.
External links
- Wikisky image of HD 204521 (HIP 105766)
- List of G stars within 100 light-years
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