HD 102839
HD 102839 is a class G6Ib (yellow supergiant) star in the constellation Musca. Its apparent magnitude is 4.98 and it is approximately 1,550 light years away from Earth based on parallax.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Musca |
Right ascension | 11h 49m 56.61541s[1] |
Declination | −70° 13′ 32.8408″[1] |
Apparent magnitude (V) | 4.98[2] |
Characteristics | |
Spectral type | G6Ib[3] |
U−B color index | +1.22[4] |
B−V color index | +1.40[4] |
Astrometry | |
Radial velocity (Rv) | +15.90[5] km/s |
Proper motion (μ) | RA: −8.113[1] mas/yr Dec.: −0.834[1] mas/yr |
Parallax (π) | 2.1101 ± 0.1063 mas[1] |
Distance | 1,550 ± 80 ly (470 ± 20 pc) |
Absolute magnitude (MV) | −2.33[2] |
Details | |
Mass | 2.3[6] M☉ |
Radius | 78[1] R☉ |
Luminosity | 1,593[2] L☉ |
Surface gravity (log g) | 0.63[6] cgs |
Temperature | 4,500[7] K |
Metallicity [Fe/H] | −0.34[6] dex |
Rotational velocity (v sin i) | 7.6[8] km/s |
Other designations | |
Database references | |
SIMBAD | data |
References
- Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- Anderson, E; Francis, Ch (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644. Vizier catalog entry
- Hoffleit, D; Warren, W. H (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally Published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
- Mallama, A (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42 (2): 443. Bibcode:2014JAVSO..42..443M.Vizier catalog entry
- Gontcharov, G. A (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. S2CID 119231169.
- Anders, F.; Khalatyan, A.; Chiappini, C.; Queiroz, A. B.; Santiago, B. X.; Jordi, C.; Girardi, L.; Brown, A. G. A.; Matijevic, G.; Monari, G.; Cantat-Gaudin, T. (2019-08-01). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics. 628: A94. arXiv:1904.11302. Bibcode:2019A&A...628A..94A. doi:10.1051/0004-6361/201935765. ISSN 0004-6361.
- McDonald, I; Zijlstra, A. A; Boyer, M. L (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–357. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352. Vizier catalog entry
- Glebocki, R; Gnacinski, P (2005). "VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)". VizieR On-line Data Catalog. 3244. Bibcode:2005yCat.3244....0G. Vizier catalog entry
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