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 |
| Other designations | |
| HR 7673, HD 190421, CP−53 9794, FK5 755, HIP 99120, SAO 246443, GC 27879 | |
Xi Telescopii (ξ Tel, ξ Telescopii) is a star in the constellation Telescopium.[1] A red giant, 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.[3]
References
- ^ a b c "V* Ksi Telescopii -- Variable Star". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 2 July 2014.
- ^ a b Watson, Christopher (3 May 2013). "NSV 12783". AAVSO Website. American Association of Variable Star Observers. Retrieved 2 July 2014.
- ^ 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. Bibcode:2012MNRAS.427..343M.
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