Extrasolar Planets in the Gliese 581 System - Model Atmospheres and Implications for Habitability

Details Extrasolar Planets in the Gliese 581 System - Model Atmospheres and Implications for Habitability Extrasolar Planets in the Gliese 581 System - Model Atmospheres and Implications for Habitability

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..430..554v&link_type=abstract

Pathways Towards Habitable Planets, proceedings of a workshop held 14 to 18 September 2009 in Barcelona, Spain. Edited by Vincen

Astronomy and Astrophysics

Astronomy

Scientific paper

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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