HD 102839

Last updated
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 56.61541s [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
CPD−69°1595, FK5  2945, GC  16206, GSC  09230-02344, HIP  57696, HR  4538, HD  102839, SAO  251604
Database references
SIMBAD data

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.

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References

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  2. 1 2 3 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
  3. 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. 1 2 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
  5. 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.
  6. 1 2 3 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.
  7. 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
  8. 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