HD 82785

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HD 82785
Opazovalni podatki
Epoha J2000      Enakonočje J2000
Ozvezdje Zračna črpalka
Rektascenzija 09h 33m 07,68056s[1]
Deklinacija −39° 07′ 44,6538″[1]
Navidezni sij (V) 6,43[2]
Značilnosti
Spektralni razred F2IV/V[3]
B−V Barvni indeks +0,33[2]
Astrometrija
Radialna hitrost (Rv)25,1[4] km/s
Lastno gibanje (μ)RA: −41,16±0,27[1] mas/l
Dec.: +40,41±0,29[1] mas/l
Paralaksa (π)13,34 ± 0,37[1] mas
Oddaljenost244 ± 7 sv. l.
(75 ± 2 pc)
Podrobnosti
Masa1,68[5] M
Površinska težnost (log g)3,88[5] cgs
Temperatura6.869[5] K
Kovinskost [Fe/H]–0,06[5] dex
Tirna hitrost(v sin i)36[6] km/s
Starost1,50[5] Ga
Druge oznake
CD-38°5676, HD 82785, HIP 46874, HR 3812, SAO 200492.
Sklici na podatkovne baze
SIMBADpodatki

HD 82785 je zvezda v južnem ozvezdju Zračna črpalka.

Viri[uredi | uredi kodo]

  1. 1,0 1,1 1,2 1,3 1,4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752, doi:10.1051/0004-6361:20078357 Vizier catalog entry
  2. 2,0 2,1 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. Bibcode:2006AstL...32..759G. arXiv:1606.08053. doi:10.1134/S1063773706110065. 
  5. 5,0 5,1 5,2 5,3 5,4 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. Bibcode:2011A&A...530A.138C. arXiv:1103.4651. 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, Bibcode:2007A&A...463..671R, arXiv:astro-ph/0610785, doi:10.1051/0004-6361:20065224