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Outline

Outline. Before Exoplanets Detecting exoplanets Direct imaging Reflex Motion of Star Transiting exoplanets Planet Formation Extra-Terrestial Life. Solar wobble. Displacement of the Sun over 45-year period, as observed from 33 light-years away. NASA JPL. Astrometry with HST.

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Outline

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Presentation Transcript

  1. Outline • Before Exoplanets • Detecting exoplanets • Direct imaging • Reflex Motion of Star • Transiting exoplanets • Planet Formation • Extra-Terrestial Life

  2. Solar wobble Displacement of the Sun over 45-year period, as observed from 33 light-years away. NASA JPL

  3. Astrometry with HST Benedict et al. 2006, AJ 132, 2206

  4. SOPHIE spectrograph at Haute-Provence Observatory

  5. Radial Velocity discovery of 51 Peg b Mayor & Queloz 1995, Nature 378, 23

  6. Jupiter

  7. Horne 2007

  8. Multiple systems: Ups And c/d

  9. Metallicity Fischer & Valenti 2003, 2005

  10. Discovery of planets orbiting a pulsar Wolszczan & Frail 1992, Nature 355, 145

  11. The black widow pulsar(B1957+20) Red=X-ray; blue/green=optical

  12. V391 Peg b discovered by timing method Silvotti et al. 2007, Nature 449, 189

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