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6 Corvi

From Wikipedia, the free encyclopedia
6 Corvi
Observation data
Epoch J2000.0      Equinox J2000.0
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 mas[1]
Distance341 ± 4 ly
(105 ± 1 pc)
Absolute magnitude (MV)0.63[2]
Details
Radius13.6+0.3
−0.7[1] R☉
Luminosity75.5±1.1[1] L☉
Surface gravity (log g)1.57[4] cgs
Temperature4,608[4] K
Other designations
6 Crv, CD−24°10314, HD 107815, HIP 60425, HR 4711, SAO 180747[5]
Database references
SIMBADdata

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

[edit]
  1. ^ a b c d e f g h i j k Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ a b c d 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. ^ a b Houk, Nancy; Smith-Moore, M. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 4, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1988mcts.book.....H.
  4. ^ a b c Kordopatis, G.; et al. (2013), "The Radial Velocity Experiment (RAVE): Fourth Data Release", The Astronomical Journal, 146 (5): 134, arXiv:1309.4284, Bibcode:2013AJ....146..134K, doi:10.1088/0004-6256/146/5/134, S2CID 119221010.
  5. ^ a b "6 Crv". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-04-23.
  6. ^ 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.
  7. ^ 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.
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