HD 83183

Last updated
HD 83183
Observation data
Epoch J2000.0       Equinox J2000.0
Constellation Carina
Right ascension 09h 34m 26.65081s [1]
Declination −59° 13′ 47.1070″ [1]
Apparent magnitude  (V)4.08 [2]
Characteristics
Spectral type B5 II [3]
B−V color index −0.013±0.003 [2]
Astrometry
Radial velocity (Rv)+18.2±0.6 [2]  km/s
Proper motion (μ)RA: −10.74 [1]   mas/yr
Dec.: +6.60 [1]   mas/yr
Parallax (π)2.46 ± 0.10  mas [1]
Distance 1,330 ± 50  ly
(410 ± 20  pc)
Absolute magnitude  (MV)−3.96 [2]
Details
Mass 9.4±0.5 [4]   M☉
Radius 18 [5]   R☉
Luminosity 11,634 [6]   L☉
Surface gravity (log g)2.50 [7]   cgs
Temperature 14,300 [6]   K
Rotational velocity (v sin i)19±4 [7]  km/s
Age 24.5±3.8 [4]   Myr
Other designations
h Car, CPD−58°1576, GC  13246, HD  83183, HIP  46974, HR  3825, SAO  237117 [8]
Database references
SIMBAD data

HD 83183 is a single [9] 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. [2] It is located at a distance of approximately 1,330  light years based on parallax, [1] and is drifting further away with a radial velocity of +18 km/s. [2] O. J. Eggen identified it as a member of the Pleiades group of co-moving stars. [10]

This object is a massive bright giant star with a stellar classification of B5 II. [3] It is 25 [4]  million years old and is spinning with a projected rotational velocity of 19 km/s. [7] The star has 9 [4] times the mass of the Sun and about 18 [5] 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. [6]

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<span class="mw-page-title-main">GX Velorum</span> Star in the constellation Vela

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<span class="mw-page-title-main">HD 25291</span> Star in the constellation Camelopardalis

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References

  1. 1 2 3 4 5 6 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. 1 2 3 4 5 6 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. 1 2 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. 1 2 3 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. 1 2 Pasinetti Fracassini, L. E.; et al. (2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS)", Astronomy & Astrophysics (Third ed.), 367 (2): 521–24, arXiv: astro-ph/0012289 , Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451, S2CID   425754.
  6. 1 2 3 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. 1 2 3 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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