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Direct imaging of massive extrasolar planets

Published online by Cambridge University Press:  10 November 2011

Paul Kalas
Paul Kalas*
Affiliation:
Astronomy Department, University of California, Berkeley, CA 94720, USA email: kalas@berkeley.edul
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Abstract

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The direct detection of an extrasolar planet can provide accurate measurements of its orbit, mass and composition, greatly improving our understanding of how planets form and evolve. Recent advances in ground-based and space-based imaging techniques have now produced the first direct images of extrasolar planets. Typically these are many-Jupiter-mass planets on wide orbits. Direct imaging therefore probes the outer architecture of planetary systems and it is highly complementary to other techniques sensitive to inner architectures. This brief review summarizes the properties of the currently imaged exoplanets, provides an update on the orbit of Fomalhaut b, and highlights the emerging phenomenon of circumplanetary disks.

Keywords

planetary systemsplanets and satellites: ringsaccretionaccretion disksinterplanetary mediumstars: individual (Fomalhaut)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S276: The Astrophysics of Planetary Systems: Formation, Structure, and Dynamical Evolution , October 2010 , pp. 279 - 286
Copyright
Copyright © International Astronomical Union 2011

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