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Stellar Spin-Orbit Misalignment in a Multiplanet System.

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Title: Stellar Spin-Orbit Misalignment in a Multiplanet System.
Authors: 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.
Source: Science (pre-March 2025). 10/18/2013, Vol. 342 Issue 6156, p331-334. 4p.
Subjects: Spin-orbit interactions, Radial velocity of stars, Protoplanetary disks, Planetary orbits, Extrasolar planetary orbits
Abstract: 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. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Stellar Spin-Orbit Misalignment in a Multiplanet System.
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  Data: <searchLink fieldCode="AR" term="%22Huber%2C+Daniel%22">Huber, Daniel</searchLink><br /><searchLink fieldCode="AR" term="%22Carter%2C+Joshua+A%2E%22">Carter, Joshua A.</searchLink><br /><searchLink fieldCode="AR" term="%22Barbieri%2C+Mauro%22">Barbieri, Mauro</searchLink><br /><searchLink fieldCode="AR" term="%22Miglio%2C+Andrea%22">Miglio, Andrea</searchLink><br /><searchLink fieldCode="AR" term="%22Deck%2C+Katherine+M%2E%22">Deck, Katherine M.</searchLink><br /><searchLink fieldCode="AR" term="%22Fabrycky%2C+Daniel+C%2E%22">Fabrycky, Daniel C.</searchLink><br /><searchLink fieldCode="AR" term="%22Montet%2C+Benjamin+T%2E%22">Montet, Benjamin T.</searchLink><br /><searchLink fieldCode="AR" term="%22Buchhave%2C+Lars+A%2E%22">Buchhave, Lars A.</searchLink><br /><searchLink fieldCode="AR" term="%22Chaplin%2C+William+J%2E%22">Chaplin, William J.</searchLink><br /><searchLink fieldCode="AR" term="%22Hekker%2C+Saskia%22">Hekker, Saskia</searchLink><br /><searchLink fieldCode="AR" term="%22Montalbán%2C+Josefina%22">Montalbán, Josefina</searchLink><br /><searchLink fieldCode="AR" term="%22Sanchis-Ojeda%2C+Roberto%22">Sanchis-Ojeda, Roberto</searchLink><br /><searchLink fieldCode="AR" term="%22Basu%2C+Sarbani%22">Basu, Sarbani</searchLink><br /><searchLink fieldCode="AR" term="%22Bedding%2C+Timothy+R%2E%22">Bedding, Timothy R.</searchLink><br /><searchLink fieldCode="AR" term="%22Campante%2C+Tiago+L%2E%22">Campante, Tiago L.</searchLink><br /><searchLink fieldCode="AR" term="%22Christensen-Dalsgaard%2C+Jørgen%22">Christensen-Dalsgaard, Jørgen</searchLink><br /><searchLink fieldCode="AR" term="%22Elsworth%2C+Yvonne+P%2E%22">Elsworth, Yvonne P.</searchLink><br /><searchLink fieldCode="AR" term="%22Stello%2C+Dennis%22">Stello, Dennis</searchLink><br /><searchLink fieldCode="AR" term="%22Arentoft%2C+Torben%22">Arentoft, Torben</searchLink><br /><searchLink fieldCode="AR" term="%22Ford%2C+Eric+B%2E%22">Ford, Eric B.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 10/18/2013, Vol. 342 Issue 6156, p331-334. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Spin-orbit+interactions%22">Spin-orbit interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Radial+velocity+of+stars%22">Radial velocity of stars</searchLink><br /><searchLink fieldCode="DE" term="%22Protoplanetary+disks%22">Protoplanetary disks</searchLink><br /><searchLink fieldCode="DE" term="%22Planetary+orbits%22">Planetary orbits</searchLink><br /><searchLink fieldCode="DE" term="%22Extrasolar+planetary+orbits%22">Extrasolar planetary orbits</searchLink>
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  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=91562567
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