Mu Arae b

Mu Arae b
Mu Arae b immaginato dalla simulazione astronomica Celestia
Stella madreMu Arae
Scoperta2002
ScopritoriButler, Marcy
CostellazioneAltare
Distanza dal Sole49,8 ± 0,6 anni luce
Coordinate
Ascensione retta17h 44m 8,7s
Declinazione-51° 50′ 03″
Parametri orbitali
Semiasse maggiore1,497 UA
Periodo orbitale643,25 ± 0,90 giorni
Eccentricità0,128 ± 0,017
Dati fisici
Massa
1,676 MJ
Modifica dati su Wikidata · Manuale

Mu Arae b, chiamato anche Quijote[1], è un pianeta extrasolare orbitante attorno alla stella Mu Arae. Possiede una massa circa una volta e mezzo quella di Giove, quindi si tratta di un gigante gassoso.

È situato nella zona abitabile della stella; ciò significa che eventuali satelliti in orbita attorno al pianeta, dotati di massa sufficientemente grande, potrebbero sviluppare forme di vita. Il suo periodo di rivoluzione è di 643,25 giorni.

La scoperta del pianeta, effettuata dall'indagine Anglo-Australian Planet Search e che risale alla fine del 2000, fu annunciata all'inizio del 2001[2].

Come gli altri pianeti scoperti in questo sistema solare, prende nome da uno dei personaggi del Don Chisciotte di Cervantes, in questo caso proprio il protagonista don Chisciotte della Mancia (in spagnolo don Quijote de la Mancha).

Note

  1. ^ iau1514 — Press Release - Final Results of NameExoWorlds Public Vote, su iau.org, Unione Astronomica Internazionale, 15 dicembre 2015.
  2. ^ R. Butler et al., Two New Planets from the Anglo-Australian Planet Search", in The Astrophysical Journal, vol. 555, n. 1, 2002, pp. 410–417, DOI:10.1086/321467.

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