2007Astronomy and AstrophysicsOpen access

Habitable planets around the star Gliese 581?

Franck Selsis, James F. Kasting, B. Levrard, J. Paillet, I. Ribas, X. Delfosse

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Abstract

Context.Thanks to remarkable progress, radial velocity surveys are now able to detect terrestrial planets at habitable distance from low-mass stars. Recently, two planets with minimum masses below 10 have been reported in a triple system around the M-type star Gliese 581. These planets are found at orbital distances comparable to the location of the boundaries of the habitable zone of their star.

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Context.Thanks to remarkable progress, radial velocity surveys are now able to detect terrestrial planets at habitable distance from low-mass stars. Recently, two planets with minimum masses below 10 have been reported in a triple system around the M-type star Gliese 581. These planets are found at orbital distances comparable to the location of the boundaries of the habitable zone of their star.

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Available abstract

Context.Thanks to remarkable progress, radial velocity surveys are now able to detect terrestrial planets at habitable distance from low-mass stars. Recently, two planets with minimum masses below 10 have been reported in a triple system around the M-type star Gliese 581. These planets are found at orbital distances comparable to the location of the boundaries of the habitable zone of their star.

Key concepts: Habitability of orange dwarf systems, Circumstellar habitable zone, Planet, Physics, Astrobiology, Kepler-69c, Terrestrial planet, Kepler-47

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