Direct imaging discovery of a Jovian exoplanet within a triple-star system-Reference-Cited by-同舟云学术

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

Published:2016-08-12 Issue:6300 Volume:353 Page:673-678
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Wagner Kevin¹,Apai Dániel¹²,Kasper Markus³,Kratter Kaitlin¹,McClure Melissa³,Robberto Massimo⁴⁵,Beuzit Jean-Luc⁶⁷

Affiliation:

1. Department of Astronomy and Steward Observatory, The University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA.

2. Lunar and Planetary Laboratory, The University of Arizona, 1640 East University Boulevard, Tucson, AZ 85718, USA.

3. European Southern Observatory (ESO), Karl-Schwarzschild-Strasse 2, D-85748 Garching, Germany.

4. Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA.

5. Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA.

6. Université Grenoble Alpes, Institut de Planétologie et d’Astrophysique de Grenoble (IPAG), F-38000 Grenoble, France.

7. CNRS, IPAG, F-38000 Grenoble, France.

Abstract

Spying a planet in a triple-star system Thousands of extrasolar planets are now known, but only a handful have been detected in direct images. Wagner et al. used sophisticated adaptive optics to discover a planet in images of the triple-star system HD 131399 and to take a spectrum of its atmosphere (see the Perspective by Oppenheimer). The planet, about four times the mass of Jupiter, orbits around one star in the system while the other two stars move farther out. This unusual arrangement is puzzling: The planet's orbit may be stable, but it is unclear how it could have formed or migrated there. The results will be used to refine theories of planet formation. Science , this issue p. 673 ; see also p. 644

Funder

NSF

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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