HD 82785
(Preusmerjeno s strani IDS 09291-3841)
HD 82785 je zvezda v južnem ozvezdju Zračna črpalka.
| 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 |
| Oddaljenost | 244 ± 7 sv. l. (75 ± 2 pc) |
| Podrobnosti | |
| Masa | 1,68[5] M☉ |
| Površinska težnost (log g) | 3,88[5] cgs |
| Temperatura | 6.869[5] K |
| Kovinskost [Fe/H] | –0,06[5] dex |
| Tirna hitrost(v sin i) | 36[6] km/s |
| Starost | 1,50[5] Ga |
| Druge oznake | |
| Sklici na podatkovne baze | |
| SIMBAD | podatki |
Viri uredi
- ↑ 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, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357Vizier catalog entry
- ↑ 2,0 2,1 Johnson, H. L.; in sod. (1966), »UBVRIJKL photometry of the bright stars«, Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J
- ↑ Houk, Nancy (1979), Michigan catalogue of two-dimensional spectral types for the HD stars, zv. 3, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan, Bibcode:1982mcts.book.....H
- ↑ 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.
{{navedi časopis}}: Vzdrževanje CS1: samodejni prevod datuma (povezava) - ↑ 5,0 5,1 5,2 5,3 5,4 Casagrande, L.; in sod. (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.
- ↑ Royer, F.; in sod. (Februar 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