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HAT-P-16
F-type main sequence star in the constellation Andromeda From Wikipedia, the free encyclopedia
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HAT-P-16 is a F-type main-sequence star about 725 light-years away. The star has a concentration of heavy elements slightly higher than solar abundance,[4] and low starspot activity.[7] The survey in 2015 have failed to find any stellar companions to it.[8] The spectral analysis in 2014 have discovered the HAT-P-16 has a carbon to oxygen molar ratio of 0.58±0.08, close to Sun`s value of 0.55.[9]
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Planetary system
In 2010 a transiting hot superjovian planet was detected.[4] Transit-timing variation analysis in 2016 have failed to detect an additional planets in the system.[10]
In 2011 the observation utilizing a Rossiter–McLaughlin effect was performed, and the orbit of HAT-P-16b was found to be probably aligned with the equatorial plane of the star, misalignment angle equal to 10±16°.[11]
The planet HAT-P-16b equilibrium temperature was found to be equal to 1567±22 K in 2013.[5] The multiband photometry have failed to find any Rayleigh scattering in the HAT-P-16b atmosphere, which may indicate a presence of hazes or dense cloud deck.[12]
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References
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