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Direct imaging discovery of a Jovian exoplanet within a triple-star system.

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Title: Direct imaging discovery of a Jovian exoplanet within a triple-star system.
Authors: Wagner, Kevin (AUTHOR), Apai, Dániel (AUTHOR), Kasper, Markus (AUTHOR), Kratter, Kaitlin (AUTHOR), McClure, Melissa (AUTHOR), Robberto, Massimo (AUTHOR), Beuzit, Jean-Luc (AUTHOR)
Source: Science (pre-March 2025). 8/12/2016, Vol. 353 Issue 6300, p673-678. 6p. 2 Color Photographs, 1 Chart, 3 Graphs.
Subjects: Extrasolar planets, Gas giants, Multiple stars, Infrared astronomy, Infrared spectroscopy, Extrasolar planetary orbits, Atmospheres of extrasolar planets
Abstract: Direct imaging allows for the detection and characterization of exoplanets via their thermal emission. We report the discovery via imaging of a young Jovian planet in a triple-star system and characterize its atmospheric properties through near-infrared spectroscopy. The semimajor axis of the planet is closer relative to that of its hierarchical triple-star system than for any known exoplanet within a stellar binary or triple, making HD 131399 dynamically unlike any other known system. The location of HD 131399Ab on a wide orbit in a triple system demonstrates that massive planets may be found on long and possibly unstable orbits in multistar systems. HD 131399Ab is one of the lowest mass (4 ± 1 Jupiter masses) and coldest (850 ± 50 kelvin) exoplanets to have been directly imaged. [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: Direct imaging discovery of a Jovian exoplanet within a triple-star system.
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  Data: <searchLink fieldCode="AR" term="%22Wagner%2C+Kevin%22">Wagner, Kevin</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Apai%2C+Dániel%22">Apai, Dániel</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kasper%2C+Markus%22">Kasper, Markus</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kratter%2C+Kaitlin%22">Kratter, Kaitlin</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22McClure%2C+Melissa%22">McClure, Melissa</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Robberto%2C+Massimo%22">Robberto, Massimo</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Beuzit%2C+Jean-Luc%22">Beuzit, Jean-Luc</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 8/12/2016, Vol. 353 Issue 6300, p673-678. 6p. 2 Color Photographs, 1 Chart, 3 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Extrasolar+planets%22">Extrasolar planets</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+giants%22">Gas giants</searchLink><br /><searchLink fieldCode="DE" term="%22Multiple+stars%22">Multiple stars</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+astronomy%22">Infrared astronomy</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+spectroscopy%22">Infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Extrasolar+planetary+orbits%22">Extrasolar planetary orbits</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheres+of+extrasolar+planets%22">Atmospheres of extrasolar planets</searchLink>
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  Data: Direct imaging allows for the detection and characterization of exoplanets via their thermal emission. We report the discovery via imaging of a young Jovian planet in a triple-star system and characterize its atmospheric properties through near-infrared spectroscopy. The semimajor axis of the planet is closer relative to that of its hierarchical triple-star system than for any known exoplanet within a stellar binary or triple, making HD 131399 dynamically unlike any other known system. The location of HD 131399Ab on a wide orbit in a triple system demonstrates that massive planets may be found on long and possibly unstable orbits in multistar systems. HD 131399Ab is one of the lowest mass (4 ± 1 Jupiter masses) and coldest (850 ± 50 kelvin) exoplanets to have been directly imaged. [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=117429763
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        Value: 10.1126/science.aaf9671
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        Text: English
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        Type: general
      – SubjectFull: Gas giants
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      – SubjectFull: Multiple stars
        Type: general
      – SubjectFull: Infrared astronomy
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      – SubjectFull: Atmospheres of extrasolar planets
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      – TitleFull: Direct imaging discovery of a Jovian exoplanet within a triple-star system.
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              Text: 8/12/2016
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