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HD 83183

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Star in the constellation Carina This article is about h Carinae. For H Carinae, see HD 83095.
HD 83183
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Carina
Right ascension 09 34 26.65081
Declination −59° 13′ 47.1070″
Apparent magnitude (V) 4.08
Characteristics
Spectral type B5 II
B−V color index −0.013±0.003
Astrometry
Radial velocity (Rv)+18.2±0.6 km/s
Proper motion (μ) RA: −10.74 mas/yr
Dec.: +6.60 mas/yr
Parallax (π)2.46 ± 0.10 mas
Distance1,330 ± 50 ly
(410 ± 20 pc)
Absolute magnitude (MV)−3.96
Details
Mass9.4±0.5 M
Radius18 R
Luminosity11,634 L
Surface gravity (log g)2.50 cgs
Temperature14,300 K
Rotational velocity (v sin i)19±4 km/s
Age24.5±3.8 Myr
Other designations
h Car, CPD−58°1576, GC 13246, HD 83183, HIP 46974, HR 3825, SAO 237117
Database references
SIMBADdata

HD 83183 is a single star in the southern constellation of Carina. It has the Bayer designation h Carinae, while HD 83183 is the star's identifier from the Henry Draper catalogue. The star is blue-white in hue and is faintly visible to the naked eye with an apparent visual magnitude of 4.08. It is located at a distance of approximately 1,330 light years based on parallax, and is drifting further away with a radial velocity of +18 km/s. O. J. Eggen identified it as a member of the Pleiades group of co-moving stars.

This object is a massive bright giant star with a stellar classification of B5 II. It is 25 million years old and is spinning with a projected rotational velocity of 19 km/s. The star has 9 times the mass of the Sun and about 18 times the Sun's radius. It is radiating 11,634 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 14,300 K.

References

  1. ^ 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:10.1051/0004-6361:20078357.
  2. ^ 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
  3. ^ Houk, Nancy; Cowley, A. P. (1979), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 1, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan, Bibcode:1978mcts.book.....H
  4. ^ Tetzlaff, N.; et al. (January 2011), "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun", Monthly Notices of the Royal Astronomical Society, 410 (1): 190–200, arXiv:1007.4883, Bibcode:2011MNRAS.410..190T, doi:10.1111/j.1365-2966.2010.17434.x, S2CID 118629873.
  5. ^ Pasinetti Fracassini, L. E.; et al. (2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS)", Astronomy & Astrophysics, 367 (2) (Third ed.): 521–24, arXiv:astro-ph/0012289, Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451, S2CID 425754.
  6. ^ Hohle, M. M.; et al. (2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten, 331 (4): 349–360, arXiv:1003.2335, Bibcode:2010AN....331..349H, doi:10.1002/asna.200911355, S2CID 111387483.
  7. ^ Fraser, M.; Dufton, P. L.; Hunter, I.; Ryans, R. S. I. (2010), "Atmospheric parameters and rotational velocities for a sample of Galactic B-type supergiants", Monthly Notices of the Royal Astronomical Society, 404 (3): 1306, arXiv:1001.3337, Bibcode:2010MNRAS.404.1306F, doi:10.1111/j.1365-2966.2010.16392.x, S2CID 118674151.
  8. "HD 83183". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-01-26.
  9. Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869–879, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x, S2CID 14878976.
  10. Eggen, O. J. (February 1974), "NGC 2287 and the Pleiades group", Astrophysical Journal, 188: 59–70, Bibcode:1974ApJ...188...59E, doi:10.1086/152685.
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