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Giant tidal tails of helium escaping the hot Jupiter HAT-P-32 b

Vanderburg, Andrew; Cochran, William D.; Endl, Michael +14 more

Capturing planets in the act of losing their atmospheres provides rare opportunities to probe their evolution history. This analysis has been enabled by observations of the helium triplet at 10,833 angstrom, but past studies have focused on the narrow time window right around the planet's optical transit. We monitored the hot Jupiter HAT-P-32 b us…