Omicron Geminorum
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Gemini |
| Right ascension | 07h 39m 09.93286s[1] |
| Declination | +34° 35′ 03.6443″[1] |
| Apparent magnitude (V) | 4.90 |
| Characteristics | |
| Spectral type | F3 III |
| Astrometry | |
| Radial velocity (Rv) | 7.30 ± 0.8 km/s |
| Proper motion (μ) | RA: -33.42 ± 0.39[1] mas/yr Dec.: -118.17 ± 0.29[1] mas/yr |
| Parallax (π) | 19.61 ± 0.30[1] mas |
| Distance | 166 ± 3 ly (51.0 ± 0.8 pc) |
| Absolute magnitude (MV) | 1.35 [2] |
| Details | |
| Luminosity | 24[3] L☉ |
| Temperature | 6309 K[3] K |
| Metallicity [Fe/H] | 0.12[2] dex |
| Age | 1 Gy[2] Myr |
| Other designations | |
Omicron Geminorum (ο Gem) is a star in the constellation Gemini. Its apparent magnitude is 4.90. Located around 166 light-years distant, it shines with a luminosity approximately 24 times that of the Sun and has a surface temperature of 6309 K.[3]
References
- 1 2 3 4 5 van Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752v1
, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. Note: see VizieR catalogue I/311. - 1 2 3 Holmberg, J.; Nordström, B; Andersen, J. (July 2009), "The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics", Astronomy and Astrophysics, 501 (3): 941–947, arXiv:0811.3982, Bibcode:2009A&A...501..941H, doi:10.1051/0004-6361/200811191
- 1 2 3 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.
- ↑ SIMBAD, Omicron Geminorum (accessed 16 September 2012)
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