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Paper: Extrasolar Planets in the Gliese 581 System - Model Atmospheres and Implications for Habitability
Volume: 430, Pathways Towards Habitable Planets
Page: 554
Authors: von Paris, P.; Stracke, B.; Patzer, A. B. C.; Rauer, H.; Grenfell, J. L.; Hedelt, P.; Godolt, M.; Gebauer, S.; Kitzmann, D.
Abstract: The planets Gliese (GL) 581 c and d were the first objects which merited a detailed study of their potential habitability. The orbital distances of the two planets have recently been revised. We investigated the habitability of GL 581 c and d under these new conditions with a 1-D radiative-convective atmospheric model, varying the surface pressure and atmospheric composition. GL 581 c was found to be uninhabitable for all scenarios considered. GL 581 d was also found to be uninhabitable for low and medium CO2 atmospheres (3.55·10–4 and 5% CO2 vmr, 1 ≤ psurf ≤ 20 bar).
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