Constraining Stellar Photospheres as an Essential Step for Transmission Spectroscopy of Small Exoplanets
by Benjamin Rackham, Arazi Pinhas, Dániel Apai, Raphaëlle Haywood, Heather Cegla, Néstor Espinoza, Johanna Teske, Michael Gully-Santiago, Gioia Rau, Brett M. Morris, Daniel Angerhausen, Thomas Barclay, Ludmila Carone, P. Wilson Cauley, Julien de Wit, Shawn Domagal-Goldman, Chuanfei Dong, Diana Dragomir, Mark S. Giampapa, Yasuhiro Hasegawa, Natalie R. Hinkel, Renyu Hu, Andrés Jordán, Irina Kitiashvili, Laura Kreidberg, Carey Lisse, Joe Llama, Mercedes López-Morales, Bertrand Mennesson, Karan Molaverdikhani, David J. Osip, and Elisa V. Quintana
Published onMay 31, 2019
Constraining Stellar Photospheres as an Essential Step for Transmission Spectroscopy of Small Exoplanets
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Abstract
Transmission spectra probe the atmospheres of transiting exoplanets, but these observations are also subject to signals introduced by magnetic active regions on host stars. We outline scientific opportunities in the next decade for providing useful constraints on stellar photospheres for the purposes of exoplanet transmission spectroscopy.
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