Back Ómicron Geminorum AST HD61110 CE Ómicron Geminorum Spanish Omicron Geminorum French Omicron Geminorum ID ふたご座オミクロン星 Japanese Omikron Geminorum Polish Omicron Geminorum Portuguese Омикрон Близнецов Russian Omikron Geminorum Swedish

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).
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