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The Eccentric Cavity, Triple Rings, Two-armed Spirals, and Double Clumps of the MWC 758 Disk

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      Most cited references 137

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      Validation of the new Hipparcos reduction

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        Direct imaging of multiple planets orbiting the star HR 8799.

        Direct imaging of exoplanetary systems is a powerful technique that can reveal Jupiter-like planets in wide orbits, can enable detailed characterization of planetary atmospheres, and is a key step toward imaging Earth-like planets. Imaging detections are challenging because of the combined effect of small angular separation and large luminosity contrast between a planet and its host star. High-contrast observations with the Keck and Gemini telescopes have revealed three planets orbiting the star HR 8799, with projected separations of 24, 38, and 68 astronomical units. Multi-epoch data show counter clockwise orbital motion for all three imaged planets. The low luminosity of the companions and the estimated age of the system imply planetary masses between 5 and 13 times that of Jupiter. This system resembles a scaled-up version of the outer portion of our solar system.
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          Disk-satellite interactions

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            Author and article information

            Journal
            The Astrophysical Journal
            ApJ
            American Astronomical Society
            1538-4357
            June 20 2018
            June 20 2018
            : 860
            : 2
            : 124
            10.3847/1538-4357/aac6cb
            © 2018

            http://iopscience.iop.org/info/page/text-and-data-mining

            http://creativecommons.org/licenses/by/3.0/

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