Gamma Horologii
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Horologium |
Right ascension | 02h 45m 27.47817s[1] |
Declination | −63° 42′ 16.3888″ [1] |
Apparent magnitude (V) | +5.755 |
Characteristics | |
Spectral type | G8III/IV |
Astrometry | |
Radial velocity (Rv) | -11.00 ± 7.4 km/s |
Proper motion (μ) | RA: 19.42 ± 0.28[1] mas/yr Dec.: -8.61 ± 0.27[1] mas/yr |
Parallax (π) | 17.86 ± 0.24[1] mas |
Distance | 183 ± 2 ly (56.0 ± 0.8 pc) |
Other designations | |
Gamma Horologii is a yellow subgiant or giant star in the constellation Horologium. Located 183 ± 2 light-years from Earth,[1] it shines with a luminosity approximately 16 times that of the Sun and has a surface temperature of 5175 K.[3]
References
- 1 2 3 4 5 6 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ↑ "Gamma Horologii". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 18 March 2016.
- ↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
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