The Transit Light Source Effect: False Spectral Features and Incorrect Densities for M-dwarf Transiting Planets

V. Rackham, Benjamin; Apai, Dániel; S. Giampapa, Mark

doi:10.3847/1538-4357/aaa08c

Public

The Transit Light Source Effect: False Spectral Features and Incorrect Densities for M-dwarf Transiting Planets

Published in The Astrophysical Journal • Jan 30, 2018

Authors:

Benjamin V. Rackham

Dániel Apai

Mark S. Giampapa

Abstract

Abstract Transmission spectra are differential measurements that utilize stellar illumination to probe transiting exoplanet atmospheres. Any spectral difference between the illuminating light source and the disk-integrated stellar spectrum due to starspots and faculae will be imprinted in the observ...

Subject

Physics

Starspot

Transit (satellite)

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