Mu Arae e
![]() Mu Arae e rendered by Celestia | |
Discovery | |
---|---|
Discovered by | Butler,Marcy |
Discovery site | California,USA |
Discovery date | June 13, 2002 |
Radial velocity | |
Orbital characteristics | |
Apastron | 5.750 AU (860,200,000 km) |
Periastron | 4.719 AU (706,000,000 km) |
5.235 AU (783,100,000 km)[1] | |
Eccentricity | 0.0985 ± 0.0627[1] |
4205.8 ± 758.9[1]d 11.51y | |
2,450,541 ± 96[1] | |
57.6 ± 43.7[1] | |
Semi-amplitude | 18.1 ± 1.1[1] |
Star | Mu Arae |
Mu Arae e,also known asHD 160691 e,later namedSancho/ˈsæntʃoʊ/,[2]is one of the fourextrasolar planetsorbiting the starMu Araeof the constellationAra.
Naming
[edit]In July 2014 theInternational Astronomical UnionlaunchedNameExoWorlds,a process for giving proper names to certain exoplanets and their host stars.[3]The process involved public nomination and voting for the new names.[4]In December 2015, the IAU announced the winning name was Sancho for this planet.[5]The winning name was submitted by the Planetario de Pamplona,Spain.Sanchowas thesquireof the lead character of the novelDon Quixote.[6]
Orbit
[edit]The planet's discovery was announced on June 13, 2002. Mu Arae e is agas giantat least 1.8 times as massive as Jupiter. The planet orbits atJupiter-like distance at 5.235AU.
References
[edit]- ^abcdefPepe, F.; Correia, A. C. M.; Mayor, M.; Tamuz, O.; et al. (2007). "The HARPS search for southern extra-solar planets. VIII. μ Arae, a system with four planets".Astronomy and Astrophysics.462(2): 769–776.arXiv:astro-ph/0608396.Bibcode:2007A&A...462..769P.doi:10.1051/0004-6361:20066194.S2CID59157984.
- ^"Sancho".Oxford English Dictionary(Online ed.).Oxford University Press.(Subscription orparticipating institution membershiprequired.)
- ^NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars.IAU.org. 9 July 2014
- ^"NameExoWorlds The Process".Archived fromthe originalon 2015-08-15.Retrieved2016-01-03.
- ^Final Results of NameExoWorlds Public Vote Released,International Astronomical Union, 15 December 2015.
- ^"NameExoWorlds The Approved Names".Archived fromthe originalon 2018-02-01.Retrieved2016-01-03.