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Huber, Daniel; Carter, Joshua A.; Barbieri, Mauro; Miglio, Andrea; Deck, Katherine M.; Fabrycky, Daniel C.; Montet, Benjamin T.; Buchhave, Lars A.; Chaplin, William J.; Hekker, Saskia; Montalbán, Josefina; Sanchis-Ojeda, Roberto; Basu, Sarbani; Bedding, Timothy R.; Campante, Tiago L.; Christensen-Dalsgaard, Jørgen; Elsworth, Yvonne P.; Stello, Dennis; Arentoft, Torben; Ford, Eric B.; Gilliland, Ronald L.; Handberg, Rasmus; Howard, Andrew W.; Isaacson, Howard; Johnson, John Asher; Karoff, Christoffer; Kawaler, Steven D.; Kjeldsen, Hans; Latham, David W.; Lund, Mikkel N.; Lundkvist, Mia; Marcy, Geoffrey W.; Metcalfe, Travis S.; Aguirre, Victor Silva; Winn, Joshua N.
Science (American Association for the Advancement of Science), 10/2013, Letnik: 342, Številka: 6156Journal Article
Stars hosting hot Jupiters are often observed to have high obliquities, whereas stars with multiple coplanar planets have been seen to have low obliquities. This has been interpreted as evidence that hot-Jupiter formation is linked to dynamical disruption, as opposed to planet migration through a protoplanetary disk. We used asteroseismology to measure a large obliquity for Kepler-56, a red giant star hosting two transiting coplanar planets. These observations show that spin-orbit misalignments are not confined to hot-Jupiter systems. Misalignments in a broader class of systems had been predicted as a consequence of torques from wide-orbiting companions, and indeed radial velocity measurements revealed a third companion in a wide orbit in the Kepler-56 system.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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