HD 150576

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]

HD 150576
Observation data
Epoch J2000      Equinox J2000
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

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. 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, Bibcode:1968MNSSA..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, Bibcode:1978mcts.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. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  5. McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x
  6. Mason, B. D.; et al. (2014), The Washington Visual Double Star Catalog, Bibcode:2001AJ....122.3466M, doi:10.1086/323920, retrieved 2015-07-22
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