Xi Telescopii
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Telescopium |
| Right ascension | 20h 07m 23.2s[1] |
| Declination | −52° 52' 51"[1] |
| Apparent magnitude (V) | +4.89-4.94[2] |
| Distance | 1250 ± 350 ly (380 ± 110 pc) |
| Spectral type | M2III[3] |
| Other designations | |
Xi Telescopii (ξ Tel, ξ Telescopii) is a star in the constellation Telescopium.[1] A red giant of spectral type M2III,[3] it is classified as an irregular variable star and its brightness varies from magnitude +4.89 to +4.94.[2] Located around 1079 light-years distant, it shines with a luminosity approximately 2973 times that of the Sun and has a surface temperature of 4030 K.[4] It has a mass around 5.6 times that of the Sun.[3]
References
- 1 2 3 "V* Ksi Telescopii -- Variable Star". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 2 July 2014.
- 1 2 Watson, Christopher (3 May 2013). "NSV 12783". AAVSO Website. American Association of Variable Star Observers. Retrieved 2 July 2014.
- 1 2 3 Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy & Astrophysics 367: 521–24. arXiv:astro-ph/0012289. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.
- ↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (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.
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