%0 Journal Article %J \aj %D 2020 %T Confirmation of WASP-107b's Extended Helium Atmosphere with Keck II/NIRSPEC %A Kirk, James %A Alam, Munazza K. %A López-Morales, Mercedes %A Zeng, Li %K Astrophysics - Earth and Planetary Astrophysics %B \aj %V 159 %P 115 %8 mar %G eng %N 3 %R 10.3847/1538-3881/ab6e66