HD 82785

HD 82785 is star in the southern constellation of Antlia.

HD 82785
Observation data
Epoch J2000      Equinox J2000
Constellation Antlia
Right ascension 09h 33m 07.68056s[1]
Declination −39° 07′ 44.6538″[1]
Apparent magnitude (V) 6.43[2]
Characteristics
Spectral type F2IV/V[3]
B−V color index +0.33[2]
Astrometry
Radial velocity (Rv)25.1[4] km/s
Proper motion (μ) RA: −41.16±0.27[1] mas/yr
Dec.: +40.41±0.29[1] mas/yr
Parallax (π)13.34 ± 0.37[1] mas
Distance244 ± 7 ly
(75 ± 2 pc)
Details
Mass1.68[5] M☉
Surface gravity (log g)3.88[5] cgs
Temperature6,869[5] K
Metallicity [Fe/H]–0.06[5] dex
Rotational velocity (v sin i)36[6] km/s
Age1.50[5] Gyr
Other designations
CD-38°5676, HD 82785, HIP 46874, HR 3812, SAO 200492.
Database references
SIMBADdata

References
  1. van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357Vizier catalog entry
  2. 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. Houk, Nancy (1979), Michigan catalogue of two-dimensional spectral types for the HD stars, 3, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan, Bibcode:1982mcts.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. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  5. Casagrande, L.; et al. (2011). "New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey". Astronomy & Astrophysics. 530 (A138): 21. arXiv:1103.4651. Bibcode:2011A&A...530A.138C. doi:10.1051/0004-6361/201016276.
  6. Royer, F.; et al. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics, 463 (2): 671–682, arXiv:astro-ph/0610785, Bibcode:2007A&A...463..671R, doi:10.1051/0004-6361:20065224
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