HD 102839

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HD 102839
Musca constellation map.svg
Red circle.svg
Location of HD 102839 (circled)
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]
Spectral type G6Ib[3]
U−B color index +1.22[4]
B−V color index +1.40[4]
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
Distance950 ± 60 ly
(290 ± 20 pc)
Absolute magnitude (MV)-2.33[2]
Luminosity1,593[2] L
Temperature4,500[6] K
Rotational velocity (v sin i)7.6[7] km/s
Other designations
CPD-69°1595, FK5 2945, GC 16206, GSC 09230-02344, HIP 57696, HR 4538, HD 102839, SAO 251604
Database references

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]


  1. ^ a b c d e f Van Leeuwen, F (2007). "Validation of the new Hipparcos reduction". Astronomy & Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ a b c d 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
  3. ^ a b 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.
  4. ^ a b Mallama, A (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M.Vizier catalog entry
  5. ^ Gontcharov, G. A (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  6. ^ 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: 343. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. Vizier catalog entry
  7. ^ Glebocki, R; Gnacinski, P (2005). "VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)". VizieR On-line Data Catalog: III/244. Originally published in: 2005csss...13..571G; 2005y Cat.3244....0G. 3244. Bibcode:2005yCat.3244....0G. Vizier catalog entry