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]
| 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 mas[1] |
| Distance | 730 ± 60 ly (220 ± 20 pc) |
| Details | |
| Luminosity | 337[5] L☉ |
| Temperature | 4,393[5] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
edit- ^ a b c d e 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, S2CID 18759600.
- ^ a b 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.
- ^ Houk, Nancy (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 2, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1978mcts.book.....H.
- ^ 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. S2CID 119231169.
- ^ a b 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, S2CID 118665352
- ^ Mason, B. D.; et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal, 122 (6): 3466, Bibcode:2001AJ....122.3466M, doi:10.1086/323920, retrieved 2015-07-22
External links
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