HD 102839
HD 102839 is a class G6Ib[3] (yellow supergiant) star in the constellation Musca. Its apparent magnitude is 4.98[2] and it is approximately 950 light years away from Earth based on parallax.[1]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Musca |
Right ascension | 11h 49m 56.61393s[1] |
Declination | −70° 13′ 32.8375″[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: -7.66[1] mas/yr Dec.: -0.94[1] mas/yr |
Parallax (π) | 3.44 ± 0.21[1] mas |
Distance | 950 ± 60 ly (290 ± 20 pc) |
Absolute magnitude (MV) | -2.33[2] |
Details | |
Luminosity | 1,593[2] L☉ |
Temperature | 4,500[6] K |
Rotational velocity (v sin i) | 7.6[7] km/s |
Other designations | |
Database references | |
SIMBAD | data |
References
- Van Leeuwen, F (2007). "Validation of the new Hipparcos reduction". Astronomy & Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- 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. 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.
- 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. 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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