Omicron Geminorum

ο Geminorum
Location of ο Geminorum (circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Gemini
Right ascension 07h 39m 09.93286s[1]
Declination +34° 35′ 03.6443″[1]
Apparent magnitude (V) 4.90[2]
Characteristics
Spectral type F3 III[3]
U−B color index +0.09[2]
B−V color index +0.41[2]
Astrometry
Radial velocity (Rv)+7.3[4] km/s
Proper motion (μ) RA: -33.42[1] mas/yr
Dec.: -118.17[1] mas/yr
Parallax (π)19.61 ± 0.30 mas[1]
Distance166 ± 3 ly
(51.0 ± 0.8 pc)
Absolute magnitude (MV)1.35[5]
Details
Radius3.7[6] R☉
Luminosity24[7] L☉
Surface gravity (log g)3.56[8] cgs
Temperature6,309[7] K
Metallicity [Fe/H]+0.12[5] dex
Rotational velocity (v sin i)91.1[8] km/s
Age1[5] Gyr
Other designations
Jishui, ο Gem, 71 Geminorum, BD+34° 1649, FK5 2592, HD 61110, HIP 37265, HR 2930, SAO 60247.[9]
Database references
SIMBADdata

Omicron Geminorum (ο Geminorum, abbreviated Omicron Gem, ο Gem), also named Jishui,[10] is a solitary[11] star in the constellation of Gemini. It is faintly visible to the naked eye with an apparent visual magnitude of 4.90.[2] Based upon an annual parallax shift of 19.61 mas,[1] it is located at a distance of 166 light-years from the Sun.

  1. ^ a b c d e f Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Mermilliod1986 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Eggen1962 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Wielen2000 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference cgssn09 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference lang2006 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Mcdonald2012 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Schroeder2009 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  10. ^ "Naming Stars". IAU.org. Retrieved 16 December 2017.
  11. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).