http://arxiv.org/abs/1806.11200
An Earth-like exoplanet orbiting a white dwarf would be exposed to different UV environments than Earth, influencing both its atmospheric photochemistry and UV surface environment. Using a coupled 1D climate-photochemistry code we model atmospheres of Earth-like planets in the habitable zone of white dwarfs for surface temperatures between 6000 K and 4000 K, corresponding to about 7 billion years of white dwarf evolution, as well as discuss the evolution of planetary models in the habitable zone during that evolution.
T. Kozakis, L. Kaltenegger and D. Hoard
Mon, 2 Jul 18
9/70
Comments: Accepted by ApJ, 23 pages, 8 figures, 6 tables
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