HD 39194

HD 39194
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Mensa
Right ascension 05h 44m 31.9180s[1]
Declination −70° 08′ 36.858″[1]
Apparent magnitude (V) 8.07±0.01[2]
Characteristics
Spectral type K0 V[3]
U−B color index +0.26[4][5]
B−V color index +0.76[4][5]
Astrometry
Radial velocity (Rv)13.90±0.10[6] km/s
Proper motion (μ) RA: −309.273 mas/yr[1]
Dec.: +1238.862 mas/yr[1]
Parallax (π)37.8235 ± 0.0206 mas[1]
Distance86.23 ± 0.05 ly
(26.44 ± 0.01 pc)
Absolute magnitude (MV)+6.02[7]
Details
Mass0.71[8] M
Radius0.74[9] R
Luminosity0.389[10] L
Surface gravity (log g)4.61±0.05[11] cgs
Temperature5,205±23[11] K
Metallicity [Fe/H]−0.61±0.02[11] dex
Rotational velocity (v sin i)2[12] km/s
Age11.7[8] Gyr
Other designations
CD−70°340, CPD−70°447, GJ 217.2, HD 39194, HIP 27080, SAO 256232, LHS 210
Database references
SIMBADdata

HD 39194 (Gliese 217.2; LHS 210) is a star located in the southern circumpolar constellation Mensa. It has an apparent magnitude of 8.07,[2] making it readily visible in binoculars but not to the naked eye. The object is relatively close at a distance of 86 light years[1] but is receding with a heliocentric radial velocity of 13.9 km/s.[6]

  1. ^ a b c d e Cite error: The named reference EDR3 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Tycho2000 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Gray2006 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Eggen1979 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference SandageFouts1987 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Gontcharov2006 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Luck2018 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Turnbull2015 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Unger2021 was invoked but never defined (see the help page).
  11. ^ a b c Cite error: The named reference Sousa2008 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference Nordstrom2004 was invoked but never defined (see the help page).