Keith Horne: Extra-solar planets
Keith Horne: Extra-solar planets
Keith Horne: Extra-solar planets
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Three-Stage Approach<br />
• Stage 1: discover microlens events<br />
– prob ~10 -6 , t E<br />
~ 10 - 100 d<br />
– OGLE (+ MOA) find ~ 600 / yr<br />
• Stage 2: discover planet-like anomalies<br />
– Jupiters: prob ~ 15% t p<br />
~ 1 d<br />
– Earths: prob ~ 1.5% t p<br />
~ 1 h<br />
• Stage 3: characterise <strong>planets</strong><br />
– continuous monitoring<br />
t ∝<br />
m<br />
• Teams: OGLE, MOA, PLANET, microFUN<br />
– 2005… UK 2m Robotic telescope network RoboNet<br />
• COOL EARTHS DETECTABLE
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