Omicron Geminorum

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
Distance166 ± 3 ly
(51.0 ± 0.8 pc)
Absolute magnitude (MV)1.35 [2]
Details
Luminosity24[3] L
Temperature6309 K[3] K
Metallicity [Fe/H]0.12[2] dex
Age1 Gy[2] Myr
Other designations
Omicron Geminorum, BD+34 1649, HD 61110, HIP 37265, HR 2930, SAO 60247.[4]

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. 1 2 3 4 5 van Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752v1Freely accessible, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. Note: see VizieR catalogue I/311.
  2. 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:0811.3982Freely accessible, Bibcode:2009A&A...501..941H, doi:10.1051/0004-6361/200811191
  3. 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:1208.2037Freely accessible. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
  4. SIMBAD, Omicron Geminorum (accessed 16 September 2012)
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