Astronomy:6 Corvi
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Short description: Star in the constellation Corvus
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Corvus |
| Right ascension | 12h 23m 21.58766s[1] |
| Declination | −24° 50′ 26.4076″[1] |
| Apparent magnitude (V) | 5.66[2] |
| Characteristics | |
| Evolutionary stage | giant |
| Spectral type | K1 III[3] |
| B−V color index | 1.153±0.005[2] |
| Astrometry | |
| Radial velocity (Rv) | −2.42±0.15[1] km/s |
| Proper motion (μ) | RA: −19.328[1] mas/yr Dec.: −20.650[1] mas/yr |
| Parallax (π) | 9.5644 ± 0.1116[1] mas |
| Distance | 341 ± 4 ly (105 ± 1 pc) |
| Absolute magnitude (MV) | 0.63[2] |
| Details | |
| Radius | 13.6+0.3 −0.7[1] R☉ |
| Luminosity | 75.5±1.1[1] L☉ |
| Surface gravity (log g) | 1.57[4] cgs |
| Temperature | 4,608[4] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
6 Corvi is a single[6] star in the southern constellation of Corvus,[5] located 341 light years away from the Sun.[1] It is visible to the naked eye as a faint, orange[7]-hued star with an apparent visual magnitude of 5.66.[2] This object is moving closer to the Earth with a heliocentric radial velocity of −2.4 km/s.[1] It is an evolved giant star with a stellar classification of K1 III.[3] The star has expanded to 13.6 times the Sun's radius and is radiating 75.5[1] times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 4,608 K.[4]
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ 2.0 2.1 2.2 2.3 Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters 38 (5): 331, doi:10.1134/S1063773712050015, Bibcode: 2012AstL...38..331A.
- ↑ 3.0 3.1 Houk, Nancy; Smith-Moore, M. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, 4, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode: 1988mcts.book.....H.
- ↑ 4.0 4.1 4.2 Kordopatis, G.; Gilmore, G.; Steinmetz, M.; Boeche, C.; Seabroke, G. M.; Siebert, A.; Zwitter, T.; Binney, J. et al. (2013), "The Radial Velocity Experiment (RAVE): Fourth Data Release", The Astronomical Journal 146 (5): 134, doi:10.1088/0004-6256/146/5/134, Bibcode: 2013AJ....146..134K.
- ↑ 5.0 5.1 "6 Crv". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=6+Crv.
- ↑ 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, doi:10.1111/j.1365-2966.2008.13596.x, Bibcode: 2008MNRAS.389..869E.
- ↑ Arnold, H. J. P. et al. (1999), The Photographic Atlas of the Stars, Boca Raton, Florida: CRC Press, p. 140, ISBN 978-0-7503-0654-6, https://books.google.com/books?id=YjcvJUfnWBAC&pg=PA140.
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