HD 88836

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HD 88836
Observation data
Epoch J2000      Equinox J2000
Constellation Antlia
Right ascension 10h 13m 56.55738s[1]
Declination −40° 18′ 38.7929″[1]
Apparent magnitude (V) 6.35[2]
Characteristics
Spectral type G8III[3]
B−V color index 0.94[2]
Astrometry
Radial velocity (Rv) 0.00[4] km/s
Proper motion (μ) RA: −30.81±0.24[1] mas/yr
Dec.: −9.67±0.32[1] mas/yr
Parallax (π) 7.15 ± 0.41[1] mas
Distance 460 ± 30 ly
(140 ± 8 pc)
Details
Luminosity 58[5] L
Temperature 5,148[5] K
Other designations
CD-39° 6225, HD 88836, HIP 50122, HR 4019, SAO 221883.
Database references
SIMBAD data
Database references
SIMBAD data

HD 88836 is a double star in the southern constellation of Antlia. With an apparent magnitude of 6.35, it is faintly visible to the naked eye from dark skies.[2] The brighter component is a giant star with a stellar classification of G8III.[3] It is radiating energy at a luminosity 58 times that of the Sun.[5] The faint companion is eight magnitudes dimmer than the primary and is located at an angular separation of 12.7.[3]

References[edit]

  1. ^ a b c d e van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752Freely accessible, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357 
  2. ^ a b c Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J 
  3. ^ a b c Hoffleit, Dorrit (1964), Catalogue of bright stars (3rd rev. ed.), New Haven, Conn: Yale University Observatory, Bibcode:1964cbs..book.....H 
  4. ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. 
  5. ^ a b c McDonald, I.; et al. (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 

External links[edit]