HD 85951

HD 85951
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Hydra
Right ascension 09h 54m 52.2045s[1]
Declination −19° 00′ 33.620″[1]
Apparent magnitude (V) 4.94[2]
Characteristics
Evolutionary stage AGB[3]
Spectral type K5 III[4]
U−B color index +1.93[2]
B−V color index +1.57[2]
Astrometry
Radial velocity (Rv)50±4.2[5] km/s
Proper motion (μ) RA: −45.386 mas/yr[1]
Dec.: −40.456 mas/yr[1]
Parallax (π)5.6789 ± 0.2214 mas[1]
Distance570 ± 20 ly
(176 ± 7 pc)
Absolute magnitude (MV)−1.43[6]
Details
Mass6.40+1.2
−0.4[7] M☉
Radius56.7[8] R☉
Luminosity721±32[9] L☉
Surface gravity (log g)1.3±0.04[10] cgs
Temperature3,875±39[10] K
Metallicity [Fe/H]−0.18±0.07[10] dex
Other designations
Felis, 183 G. Hydrae[11], BD−18° 2810, FK5 373, GC 13644, HIP 48615, HR 3923, SAO 155588[12]
Database references
SIMBADdata

HD 85951 (HR 3923), formally named Felis /ˈfiːlɪs/,[13] is a solitary[14] orange hued star in the constellation Hydra. It has an apparent magnitude of 4.94,[2] making it faintly visible to the naked eye under ideal conditions. Based on parallax measurements, the object is about 570 light-years away from the Sun[1] and is receding with a heliocentric radial velocity of 50 km/s.[5]

  1. ^ a b c d e Cite error: The named reference EDR3 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Ducati2002 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Eggen1992 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Houk1988 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Gontcharov2006 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Stassun2019 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference GaiaDR2 was invoked but never defined (see the help page).
  10. ^ a b c Cite error: The named reference Arentsen2019 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference Gould1879 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference IAU-LSN was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).