Astronomy:HD 150576

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Short description: Star in the constellation Ara
HD 150576
Observation data
Equinox J2000.0]] (ICRS)
Constellation Ara
Right ascension  16h 44m 39.74420s[1]
Declination −53° 09′ 08.3343″[1]
Apparent magnitude (V) 5.96[2]
Characteristics
Spectral type G8III[3]
B−V color index +1.26[2]
Astrometry
Radial velocity (Rv)−2.4[4] km/s
Proper motion (μ) RA: −10.00[1] mas/yr
Dec.: −10.42[1] mas/yr
Parallax (π)4.48 ± 0.39[1] mas
Distance730 ± 60 ly
(220 ± 20 pc)
Details
Luminosity337[5] L
Temperature4,393[5] K
Other designations
FK5 3327, HD 150576, HIP 81966, HR 6207, SAO 244106.
Database references
SIMBADdata

HD 150576 is a double star in the southern constellation of Ara. It has a twelfth magnitude companion at an angular separation of 28.3 along a position angle of 39° (as of 2000).[6]

References

  1. 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode2007A&A...474..653V. 
  2. 2.0 2.1 Corben, P. M.; Stoy, R. H. (1968), "Photoelectric Magnitudes and Colours for Bright Southern Stars", Monthly Notes of the Astronomical Society of Southern Africa 27: 11, Bibcode1968MNSSA..27...11C. 
  3. Houk, Nancy (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, 2, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode1978mcts.book.....H. 
  4. Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. doi:10.1134/S1063773706110065. Bibcode2006AstL...32..759G. 
  5. 5.0 5.1 McDonald, I. et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society 427 (1): 343–57, doi:10.1111/j.1365-2966.2012.21873.x, Bibcode2012MNRAS.427..343M 
  6. Mason, B. D. et al. (2014), The Washington Visual Double Star Catalog, doi:10.1086/323920, Bibcode2001AJ....122.3466M, http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds, retrieved 2015-07-22 

External links