lec02_28sep2011

Lec02_28sep2011 - Extrasolar planet detection Methods and limits Ge/Ay133 How do you find a planet Look for it Hard(as well see Only planets imaged

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Extrasolar planet detection: Methods and limits Ge/Ay133
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How do you find a planet? Look for it? Hard (as we’ll see)! Only planets imaged are very young and far from their stars. Are such objects common or rare?
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Where should you look? Duquennoy & Mayor (1991) - Binaries
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Eccentricities very different than the solar system:
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Secondary masses & planets?
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Spectral Energy Distributions (or, Blinded by the light!. ..)
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How do you find a planet? Look for it? Hard! Where should you look? Few AU? Further out easier… Look for its affect on the star? (Indirect)
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Direct imaging of extrasolar planets: Marois et al. (2008) Marois et al. (2008) Kalas et al. (2008) Kalas et al. (2008) Initial systems consistent w/discovery space: Initial systems consistent w/discovery space:       Young(ish) stars w/debris disks Young(ish) stars w/debris disks      
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This note was uploaded on 01/03/2012 for the course GEL 133 taught by Professor List during the Fall '10 term at Caltech.

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Lec02_28sep2011 - Extrasolar planet detection Methods and limits Ge/Ay133 How do you find a planet Look for it Hard(as well see Only planets imaged

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