The high-energy environment and atmospheric escape of the mini-Neptune K2-18 b

20 Jan 2020 Santos Leonardo A. dos Ehrenreich David Bourrier Vincent Astudillo-Defru Nicola Bonfils Xavier Forget François Lovis Christophe Pepe Francesco Udry Stéphane

K2-18 b is a transiting mini-Neptune that orbits a nearby (38 pc) cool M3 dwarf and is located inside its region of temperate irradiation. We report on the search for hydrogen escape from the atmosphere K2-18 b using Lyman-$\alpha$ transit spectroscopy with the Space Telescope Imaging Spectrograph (STIS) instrument installed on the Hubble Space Telescope (HST)... (read more)

PDF Abstract
No code implementations yet. Submit your code now

Categories


  • EARTH AND PLANETARY ASTROPHYSICS
  • SOLAR AND STELLAR ASTROPHYSICS