HD 136418 b

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]

HD 136418 b / Awasis

Discovery
Discovered by	Johnson et al.[1]
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

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

• HD 4313 b
• HD 181342 b
• HD 206610 b
• HD 180902 b
• HD 212771 b

References

1. 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. "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.

External links

• "HD 136418 b". Extrasolar Planets Encyclopaedia.