Santa Cruz
Santa Cruz
Santa Cruz
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IR Interferometer<br />
Goal Earth at 10 pc Time<br />
Planet? R=3/SNR=5 2.0 h<br />
Atmosphere? R=20/SNR=10 2.3d<br />
(CO 2 , H 2 O)<br />
Habitable? R=20/SNR=25 15d<br />
(O 3 , CH 4 )<br />
• Interferometer with cooled two to<br />
four 3~4 m mirrors<br />
– 30 m boom for minimum resolution<br />
– 75-1000 m baseline using formation<br />
flying for maximum sample size<br />
• Key question is configuration<br />
– Trade between null depth, stability,<br />
physical length and resolution
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