HAT-P-29, also known as Muspelheim since 2019 (as part of the IAU's NameExoWorlds project),IAU100 NameExoWorlds APPROVED NAMES is a star about away. It is an F-type main-sequence star. The star's age of 2.2 billion years is less than half that of the Sun. HAT-P-29 is slightly enriched in heavy elements, having 35% more iron than the Sun.
A very faint 19th-magnitude stellar companion was detected in 2016 at a projected separation of 3.290″, but Gaia DR2 astrometry suggests that this is an unrelated background object.
Planetary system In 2011 a transiting hot Jupiter planet, HAT-P-29b, was detected on a mildly eccentric orbit. The planet was named "Surt" by Denmark in 2019.Denmark names new planet after Norse fire giant Surt The planetary orbit is likely aligned with the equatorial plane of the star, with a misalignment equal to 26 degrees.
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