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Ravi kumar Kopparapu, Ramses Ramirez, James F. Kasting, Vincent Eymet, Tyler D. Robinson, Suvrath Mahadevan, Ryan C. Terrien, Shawn Domagal-Goldman, Victoria Meadows et Rohit Deshpande, Habitable Zones Around Main-Sequence Stars: New Estimates, (Bibcode2013ApJ...765..131K, arXiv1301.6674)