Physics – Optics
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.2204k&link_type=abstract
American Astronomical Society, ESS meeting #2, #22.04
Physics
Optics
Scientific paper
Young and directly-imaged exoplanets offer critical tests of planet-formation models that can't be matched by RV surveys of mature stars. These targets have been extremely elusive to date, with no exoplanets younger than 10-20 Myr and only a handful of direct-imaged exoplanets at all ages. I will discuss our ongoing survey using adaptive optics and nonredundant mask interferometry to directly image young exoplanets embedded in the gaps of protoplanetary disks. The first major result from our survey was the direct detection of a young exoplanet during its epoch of formation (T 2 Myr). However, followup observations have shown that planet formation is not nearly so clear as we might have expected; our data reveal spatially resolved structures and unusual colors that are difficult to explain with current models of young (proto)planets. I will report the results for our full survey to date, discuss possible explanations for the unusual features we observe, and conclude with by discussing the implications for the process, epoch, and duration of planet formation.
Ireland Mike
Kraus Adam L.
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