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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 693862.0, MPI für Astronomie / Publikationen_mpia
Kepler-62: a five-planet system with planets of 1.4 and 1.6 Earth radii in the habitable zone
Authors:Borucki, W. J.; Agol, E.; Fressin, F.; Kaltenegger, L.; Rowe, J.; Isaacson, H.; Fischer, D.; Batalha, N.; Lissauer, J. J.; Marcy, G. W.; Fabrycky, D.; Désert, J.-M.; Bryson, S. T.; Barclay, T.; Bastien, F.; Boss, A.; Brugamyer, E.; Buchhave, L. A.; Burke, C.; Caldwell, D. A.; Carter, J.; Charbonneau, D.; Crepp, J. R.; Christensen-Dalsgaard, J.; Christiansen, J. L.; Ciardi, D.; Cochran, W. D.; DeVore, E.; Doyle, L.; Dupree, A. K.; Endl, M.; Everett, M. E.; Ford, E. B.; Fortney, J.; Gautier, T. N.; Geary, J. C.; Gould, A.; Haas, M.; Henze, C.; Howard, A. W.; Howell, S. B.; Huber, D.; Jenkins, J. M.; Kjeldsen, H.; Kolbl, R.; Kolodziejczak, J.; Latham, D. W.; Lee, B. L.; Lopez, E.; Mullally, F.; Orosz, J. A.; Prsa, A.; Quintana, E. V.; Sanchis-Ojeda, R.; Sasselov, D.; Seader, S.; Shporer, A.; Steffen, J. H.; Still, M.; Tenenbaum, P.; Thompson, S. E.; Torres, G.; Twicken, J. D.; Welsh, W. F.; Winn, J. N.
Date of Publication (YYYY-MM-DD):2013
Title of Journal:Science
Volume:340
Issue / Number:6132
Start Page:587
End Page:590
Audience:Not Specified
Abstract / Description:We present the detection of five planets—Kepler-62b, c, d, e, and f—of size 1.31, 0.54, 1.95, 1.61 and 1.41 Earth radii (R), orbiting a K2V star at periods of 5.7, 12.4, 18.2, 122.4, and 267.3 days, respectively. The outermost planets, Kepler-62e and -62f, are super-Earth-size (1.25 R < planet radius ≤ 2.0 R) planets in the habitable zone of their host star, respectively receiving 1.2 ± 0.2 times and 0.41 ± 0.05 times the solar flux at Earth’s orbit. Theoretical models of Kepler-62e and -62f for a stellar age of ~7 billion years suggest that both planets could be solid, either with a rocky composition or composed of mostly solid water in their bulk.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:ISSN:0036-8075 %R 10.1126/science.1234702
URL:http://cdsads.u-strasbg.fr/abs/2013Sci...340..587B
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