15 Lyncis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Lynx |
| Right ascension | 06h 57m 16.60526s [1] |
| Declination | +58° 25′ 21.9404″ [1] |
| Spectral type | G8III F8V |
15 Lyncis (15 Lyn) is a star in the constellation Lynx. Its apparent magnitude is 4.35.
A telescope reveals it is two yellowish stars of magnitudes 4.7 and 5.8 that are 0.9 arcseconds apart.[2] The components are a yellow giant of spectral type G8III that is 4.01 ± 2.17 times as massive as the Sun, and an F-type main sequence star of spectral type F8V that is 3.73 times as massive as the Sun, and orbit each other every 262 years.[3] The system is 178 ± 2 light years distant from Earth.[4]
References
- 1 2 SIMBAD, 15 Lyncis (accessed 20 November 2012)
- ↑ Monks, Neale (2010). Go-To Telescopes Under Suburban Skies. New York, New York: Springer Science & Business Media. p. 58. ISBN 9781441968517.
- ↑ Malkov, O. Yu.; Tamazian, V.S.; Docobo, J.A.; Chulkov, D.A. (2012). "Dynamical Masses of a Selected Sample of Orbital Binaries". Astronomy and Astrophysics 546: 5. Bibcode:2012A&A...546A..69M. doi:10.1051/0004-6361/201219774. A69.
- ↑ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics 474 (2): 653–64. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
| ||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Wednesday, March 09, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.