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Outline

Outline. Before Exoplanets Detecting exoplanets Direct imaging Reflex Motion of Star Transiting exoplanets Planet Formation Extra-Terrestial Life. Planetary transits. Sherwood observatory. First transiting exoplanet: HD209458b. Henry et al. 2000, ApJ 529, L41

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Outline

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

  2. Planetary transits Sherwood observatory

  3. First transiting exoplanet: HD209458b Henry et al. 2000, ApJ 529, L41 Charbonneau et al. 2000, ApJ 529, L45

  4. HD209458b with HST Brown et al. 2001, ApJ 529, L41

  5. Wide Angle Search for Planets (WASP)

  6. Charbonneau et al 2007, ApJ 658, 1327

  7. Horne 2007

  8. Detection of sodium in the atmosphere of HD209458b Charbonneau et al. 2002 ApJ 568, 377

  9. Detection of sodium in the atmosphere of HD209458b Charbonneau et al. 2002 ApJ 568, 377

  10. Evaporation of HD209458b Vidal-Madjar et al 2003, Nature 422, 143

  11. The Sun in X-rays Lx < 10-3 LBol

  12. Evidence for evaporation e.g. Southworth, Wheatley & Sams 2007

  13. Rossiter-McLaughlin effect

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

  15. Rossiter-McLaughlin effect in HD 209458 Measures spin of star Shows 4deg misaligned but same direction as planet orbit Winn et al 2005 ApJ 631, 1215

  16. Secondary eclipses Spitzer Space Telescope

  17. HD 209458 at 24 microns Deming et al 2005 Nature 434, 740 Eclipse depth 0.26%

  18. TrES-1b at 4.5 and 8 microns Charbonneau et al 2005 ApJ 626, 523 4.5 micron: eclipse depth=0.07% 8 micron: eclipse depth=0.23%

  19. Burrows, Sudarsky & Hubeny 2006 ApJ 650, 140 H20 H20 CO

  20. Burrows, Sudarsky & Hubeny 2006 4.5 microns 8 microns with Tio/VO without TiO/VO

  21. Wheatley et al, in prep WASP-1b 4.5 microns Eclipse depth: (0.226+/-0.016)% Implies hot stratosphere

  22. Gravitational microlensing method

  23. First microlensing planets Beaulieu 2006, Nature 439, 437

  24. Horne 2007

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