| Discovery | |
|---|---|
| Discovered by | Johnson et al. |
| Discovery date | 2010 March 17 |
| Detection method | Doppler spectroscopy |
| Orbital characteristics | |
| Semi-major axis | 1.32 ± 0.3 AU (197,000,000 ± 45,000,000 km) |
| Eccentricity | 0.255 ± 0.041 |
| Orbital period (sidereal) | 464.3 ± 3.2 d |
| Star | HD 136418 |
HD 136418 b, also known by its proper name Awasis, is an extrasolar planet orbiting the G-type star HD 136418 approximately 320 light years away in the constellation Boötes It has a notable orbit, staying within the known habitable zone. It also has a star very similar in temperature as the Sun.
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".
See also
References
- ^ 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.
- ^ "Approved names (§ Canada)". Name Exo Worlds. IAU. Retrieved 19 December 2019.
- "PlanetQuest New Worlds Atlas". Archived from the original on 2010-05-27. Retrieved 2010-06-03.
External links
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