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Water Planets in the Habitable Zone: Atmospheric Chemistry, Observable Features, and the case of Kepler-62e and -62f | | L. Kaltenegger
; D. Sasselov
; S. Rugheimer
; | | Date: |
Thu, 18 Apr 2013 09:15:41 GMT (1891kb) | | Abstract: | Water planets in the habitable zone are expected to have distinct geophysics
and geochemistry of their surfaces and atmospheres. We explore these properties
motivated by two key questions: whether such planets could provide habitable
conditions and whether they exhibit discernable spectral features that
distinguish a water planet from a rocky Earth-like planet. We show that the
recently discovered planets Kepler-62e and -62f are the first viable candidates
for habitable zone water planet. We use these planets as test cases for
discussing those differences in detail. We generate atmospheric spectral models
and find that potentially habitable water planets show a distinctive spectral
fingerprint in transit depending on their position in the habitable zone. | | Source: | arXiv, 1304.5058 | | Services: | Forum | Review | PDF | Favorites | |
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