Xi Aquilae b
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Xi Aquilae b (abbreviated ξ Aquilae b, ξ Aql b), also named Fortitudo, is an extrasolar planet approximately 200 light-years from the Sun in the constellation of Aquila. The planet was discovered orbiting the yellow giant star Xi Aquilae in 2008. The planet has a minimum mass of 2.8 Jupiter and a period of 137 days.[1]
Following its discovery the planet was designated Xi Aquilae b. In July 2014 the International Astronomical Union launched a process for giving proper names to certain exoplanets and their host stars.[2] The process involved public nomination and voting for the new names.[3] In December 2015, the IAU announced the winning name was Fortitudo for this planet.[4]
The winning name was submitted by Libertyer, a student club at Hosei University of Tokyo, Japan. 'Fortitudo' is Latin for 'fortitude'. 'Aquila' is Latin for 'eagle', an embodiment of fortitude - emotional and mental strength in the face of adversity.[5]
See also
References
- ^ Sato, Bun'ei; et al. (2008). "Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae and HD 81688". Publications of the Astronomical Society of Japan. 60 (3): 539–550. arXiv:0802.2590. Bibcode:2008PASJ...60..539S. doi:10.1093/pasj/60.3.539.
- ^ NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars. IAU.org. 9 July 2014
- ^ NameExoWorlds The Process
- ^ Final Results of NameExoWorlds Public Vote Released, International Astronomical Union, 15 December 2015.
- ^ NameExoWorlds The Approved Names
External links
- "ksi Aql". Exoplanets. Retrieved 2008-06-25.
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