RX Telescopii

RX Telescopii is an irregular variable star in the constellation Telescopium. It has a maximum magnitude of 6.45 and a minimum magnitude 7.47. It is a red supergiant ranging of spectral types M3Iab.[2] If placed in our solar system, it's photosphere would engulf the orbit of Jupiter, nearing that of Saturn.[3] It is currently one of the largest stars discovered.

RX Telescopii
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Telescopium
Right ascension  19h 06m 58.2098s[1]
Declination −45° 58′ 13.551″[1]
Spectral typeM3Iab[2]
Details
Radius682[3] R☉
Other designations
CD−46° 12809, HD 177456, SAO 229497[1]

List of largest stars

References
  1. "V* RX Tel". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 26 June 2014.
  2. BSJ (11 November 2011). "RX Telescopii". AAVSO Website. American Association of Variable Star Observers. Retrieved 26 June 2014.
  3. Cruzalèbes, P.; Petrov, R. G.; Robbe-Dubois, S.; Varga, J.; Burtscher, L.; Allouche, F.; Berio, P.; Hofmann, K. H.; Hron, J.; Jaffe, W.; Lagarde, S.; Lopez, B.; Matter, A.; Meilland, A.; Meisenheimer, K.; Millour, F.; Schertl, D. (2019). "A catalogue of stellar diameters and fluxes for mid-infrared interferometry". Monthly Notices of the Royal Astronomical Society. 490 (3): 3158–3176. arXiv:1910.00542. Bibcode:2019MNRAS.490.3158C. doi:10.1093/mnras/stz2803.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.