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Observational searches for exoplanets and statistical properties

D.N.C . Lin Department of Astronomy & Astrophysics University of California, Santa Cruz. Observational searches for exoplanets and statistical properties. Lecture 2, AY 222 April 6th , 2012. Drake equation: Ubiquity of life . Key terms: Fraction of stars with planets

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Observational searches for exoplanets and statistical properties

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  1. D.N.C. Lin Department of Astronomy & Astrophysics University of California, Santa Cruz Observational searches for exoplanetsand statistical properties Lecture 2, AY 222 April 6th, 2012

  2. Drake equation: Ubiquity of life Key terms: Fraction of stars with planets Fraction of habitable planets 3/47

  3. Observation 1: direct imaging Prerequisite: adaptive optics 4/47

  4. 2. Microlensing Prerequisite: global coverage 5/47

  5. 3. astrometry 8/29 Space interferometer mission

  6. 4. Radial velocity survey Prerequisite: stable spectrograph 6/47

  7. Planetary ubiquity & diversity 7/47

  8. 4. Transit searches 8/47

  9. Kepler Mission(NASA) • Looking for Earth-like planets in transit • Photometry of 150,000 stars • ~40 ppm in 6 hours; 30 minute cadence 9/47

  10. 10/47

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