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Hydrogen Airglow from an Escaping Ultrahot Jupiter Atmosphere

  • Authors: Yapeng Zhang, Chenliang Huang, Aaron Householder, James E. Owen, Fei Dai, Aurora Y. Kesseli, Andrew W. Howard, Julie Inglis, Howard Isaacson, Heather A. Knutson, Dimitri Mawet, Nicole Wallack, Jerry W. Xuan, Michael Zhang, Theron W. Carmichael, Daniel Huber, Rena A. Lee, Nicholas Saunders, Lauren M. Weiss, Jingwen Zhang

Yapeng Zhang et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure A3.

NLTE outflow model spectra as a function of mass-loss rate. Synthetic Hα emission profiles for mass-loss rates ﹩\dot{M}﹩ ranging over three orders of magnitude. Mass-loss rates above 1013 g s−1 are required to produce the double-peaked morphology; higher values yield more asymmetric double peaks due to stronger vertical outflow winds.

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