Asymmetric He I line profiles in Delorme 1 (AB)b indicate post-shock origins near the planet surface, with derived accretion luminosity and rate consistent with ultraviolet excess measurements.
E.1.Hα(top panel) and Heiλ5877 (bottom panel) emission lines detected from the primary (left) and the companion (right) during each observation night
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ExoplaNeT accRetion mOnitoring sPectroscopic surveY (ENTROPY) III. Optical He I line profiles of the accreting super Jupiter Delorme 1 (AB)b
Asymmetric He I line profiles in Delorme 1 (AB)b indicate post-shock origins near the planet surface, with derived accretion luminosity and rate consistent with ultraviolet excess measurements.