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Xi Aquilae b

Summary

Xi Aquilae b (abbreviated ξ Aquilae b, ξ Aql b), formally named Fortitudo /fɔːrtɪˈtjuːdoʊ/, is an extrasolar planet approximately 184 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]

Xi Aquilae b / Fortitudo
Discovery
Discovered bySato et al.[1]
Discovery siteOkayama Planet Search Program, Japan
Discovery date19 February 2008
Radial velocity
Orbital characteristics
0.68 AU (102,000,000 km)
Eccentricity0
136.75 ± 0.25 d
0.37439 y
2,453,001.7 ± 1.4
StarXi Aquilae

Name edit

Following its discovery the planet was designated Xi Aquilae b. In July 2014 the International Astronomical Union launched NameExoWorlds, 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', a symbol of fortitude – emotional and mental strength in the face of adversity.[5]

See also edit

References edit

  1. ^ a b 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.
  2. ^ NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars. IAU.org. 9 July 2014
  3. ^ "NameExoWorlds The Process". Archived from the original on 2015-08-15. Retrieved 2015-09-05.
  4. ^ Final Results of NameExoWorlds Public Vote Released, International Astronomical Union, 15 December 2015.
  5. ^ "NameExoWorlds The Approved Names". Archived from the original on 2018-02-01. Retrieved 2016-01-05.

External links edit

  • "ksi Aql". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-06-25.