HD 136418 b

Coordinates: Sky map 15h 19m 07s, +41° 43′ 60″
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HD 136418 b / Awasis
Discovered byJohnson et al.[1]
Discovery date2010 March 17
Doppler spectroscopy
Orbital characteristics
1.32 ± 0.3 AU (197,000,000 ± 45,000,000 km)
Eccentricity0.255 ± 0.041
464.3 ± 3.2 d
StarHD 136418

HD 136418 b, also known by its proper name Awasis,[2] is an extrasolar planet orbiting the G-type star HD 136418 approximately 320 light years away in the constellation Boötes[1] It has a notable orbit, staying within the known habitable zone.[citation needed] It also has a star very similar in temperature as the Sun.[3]

It was named "Awasis" by representatives of Canada in the 2019 NameExoWorlds contest held by the IAU, named after the Cree word for "child". In the same competition, The planet's parent star HD 136418 was named "Nikawiy" after the Cree word for "mother".[2]

See also[edit]


  1. ^ a b Johnson, John Asher; et al. (2010). "Retired a Stars and Their Companions. IV. Seven Jovian Exoplanets from Keck Observatory". Publications of the Astronomical Society of the Pacific. 122 (892): 701–711. arXiv:1003.3445. Bibcode:2010PASP..122..701J. doi:10.1086/653809. S2CID 188131.
  2. ^ a b "Approved names (§ Canada)". Name Exo Worlds. IAU. Retrieved 19 December 2019.
  3. ^ "PlanetQuest New Worlds Atlas". Archived from the original on 2010-05-27. Retrieved 2010-06-03.

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