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Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star.

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Title: Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star.
Authors: Currie, Thayne, Brandt, G. Mirek, Brandt, Timothy D., Lacy, Brianna, Burrows, Adam, Guyon, Olivier, Tamura, Motohide, Liu, Ranger Y., Sagynbayeva, Sabina, Tobin, Taylor, Chilcote, Jeffrey, Groff, Tyler, Marois, Christian, Thompson, William, Murphy, Simon J., Kuzuhara, Masayuki, Lawson, Kellen, Lozi, Julien, Deo, Vincent, Vievard, Sebastien
Source: Science (pre-March 2025). 4/14/2023, Vol. 380 Issue 6641, p198-203. 6p. 2 Diagrams, 2 Graphs.
Subjects: Planetary orbits, Planetary systems, Optical instruments, Planetary atmospheres, Adaptive optics, Gas giants, Astrometry
Abstract: Direct imaging of gas giant exoplanets provides information on their atmospheres and the architectures of planetary systems. However, few planets have been detected in blind surveys with direct imaging. Using astrometry from the Gaia and Hipparcos spacecraft, we identified dynamical evidence for a gas giant planet around the nearby star HIP 99770. We confirmed the detection of this planet with direct imaging using the Subaru Coronagraphic Extreme Adaptive Optics instrument. The planet, HIP 99770 b, orbits 17 astronomical units from its host star, receiving an amount of light similar to that reaching Jupiter. Its dynamical mass is 13.9 to 16.1 Jupiter masses. The planet-to-star mass ratio [(7 to 8) × 10−3] is similar to that of other directly imaged planets. The planetÕs atmospheric spectrum indicates an older, less cloudy analog of the previously imaged exoplanets around HR 8799. [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 and astrometric detection of a gas giant planet orbiting an accelerating star.
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  Data: <searchLink fieldCode="AR" term="%22Currie%2C+Thayne%22">Currie, Thayne</searchLink><br /><searchLink fieldCode="AR" term="%22Brandt%2C+G%2E+Mirek%22">Brandt, G. Mirek</searchLink><br /><searchLink fieldCode="AR" term="%22Brandt%2C+Timothy+D%2E%22">Brandt, Timothy D.</searchLink><br /><searchLink fieldCode="AR" term="%22Lacy%2C+Brianna%22">Lacy, Brianna</searchLink><br /><searchLink fieldCode="AR" term="%22Burrows%2C+Adam%22">Burrows, Adam</searchLink><br /><searchLink fieldCode="AR" term="%22Guyon%2C+Olivier%22">Guyon, Olivier</searchLink><br /><searchLink fieldCode="AR" term="%22Tamura%2C+Motohide%22">Tamura, Motohide</searchLink><br /><searchLink fieldCode="AR" term="%22Liu%2C+Ranger+Y%2E%22">Liu, Ranger Y.</searchLink><br /><searchLink fieldCode="AR" term="%22Sagynbayeva%2C+Sabina%22">Sagynbayeva, Sabina</searchLink><br /><searchLink fieldCode="AR" term="%22Tobin%2C+Taylor%22">Tobin, Taylor</searchLink><br /><searchLink fieldCode="AR" term="%22Chilcote%2C+Jeffrey%22">Chilcote, Jeffrey</searchLink><br /><searchLink fieldCode="AR" term="%22Groff%2C+Tyler%22">Groff, Tyler</searchLink><br /><searchLink fieldCode="AR" term="%22Marois%2C+Christian%22">Marois, Christian</searchLink><br /><searchLink fieldCode="AR" term="%22Thompson%2C+William%22">Thompson, William</searchLink><br /><searchLink fieldCode="AR" term="%22Murphy%2C+Simon+J%2E%22">Murphy, Simon J.</searchLink><br /><searchLink fieldCode="AR" term="%22Kuzuhara%2C+Masayuki%22">Kuzuhara, Masayuki</searchLink><br /><searchLink fieldCode="AR" term="%22Lawson%2C+Kellen%22">Lawson, Kellen</searchLink><br /><searchLink fieldCode="AR" term="%22Lozi%2C+Julien%22">Lozi, Julien</searchLink><br /><searchLink fieldCode="AR" term="%22Deo%2C+Vincent%22">Deo, Vincent</searchLink><br /><searchLink fieldCode="AR" term="%22Vievard%2C+Sebastien%22">Vievard, Sebastien</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 4/14/2023, Vol. 380 Issue 6641, p198-203. 6p. 2 Diagrams, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Planetary+orbits%22">Planetary orbits</searchLink><br /><searchLink fieldCode="DE" term="%22Planetary+systems%22">Planetary systems</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+instruments%22">Optical instruments</searchLink><br /><searchLink fieldCode="DE" term="%22Planetary+atmospheres%22">Planetary atmospheres</searchLink><br /><searchLink fieldCode="DE" term="%22Adaptive+optics%22">Adaptive optics</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+giants%22">Gas giants</searchLink><br /><searchLink fieldCode="DE" term="%22Astrometry%22">Astrometry</searchLink>
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  Label: Abstract
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  Data: Direct imaging of gas giant exoplanets provides information on their atmospheres and the architectures of planetary systems. However, few planets have been detected in blind surveys with direct imaging. Using astrometry from the Gaia and Hipparcos spacecraft, we identified dynamical evidence for a gas giant planet around the nearby star HIP 99770. We confirmed the detection of this planet with direct imaging using the Subaru Coronagraphic Extreme Adaptive Optics instrument. The planet, HIP 99770 b, orbits 17 astronomical units from its host star, receiving an amount of light similar to that reaching Jupiter. Its dynamical mass is 13.9 to 16.1 Jupiter masses. The planet-to-star mass ratio [(7 to 8) × 10−3] is similar to that of other directly imaged planets. The planetÕs atmospheric spectrum indicates an older, less cloudy analog of the previously imaged exoplanets around HR 8799. [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=163062471
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        Value: 10.1126/science.abo6192
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 6
        StartPage: 198
    Subjects:
      – SubjectFull: Planetary orbits
        Type: general
      – SubjectFull: Planetary systems
        Type: general
      – SubjectFull: Optical instruments
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      – SubjectFull: Planetary atmospheres
        Type: general
      – SubjectFull: Adaptive optics
        Type: general
      – SubjectFull: Gas giants
        Type: general
      – SubjectFull: Astrometry
        Type: general
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      – TitleFull: Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star.
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              Text: 4/14/2023
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