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PX437 EXOPLANETS Outline 1.Before Exoplanets 2.Detecting exoplanets 1.Direct imaging 2.Reflex Motion of Star 3.Transiting exoplanets 3.Planet Formation.

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Presentation on theme: "PX437 EXOPLANETS Outline 1.Before Exoplanets 2.Detecting exoplanets 1.Direct imaging 2.Reflex Motion of Star 3.Transiting exoplanets 3.Planet Formation."— Presentation transcript:

1 PX437 EXOPLANETS Outline 1.Before Exoplanets 2.Detecting exoplanets 1.Direct imaging 2.Reflex Motion of Star 3.Transiting exoplanets 3.Planet Formation 4.Extra-Terrestial Life

2 PX437 EXOPLANETS Solar wobble Displacement of the Sun over 45-year period, as observed from 33 light-years away. NASA JPL

3 PX437 EXOPLANETS Astrometry with HST Benedict et al. 2006, AJ 132, 2206

4 PX437 EXOPLANETS SOPHIE spectrograph at Haute-Provence Observatory

5 PX437 EXOPLANETS

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

7 PX437 EXOPLANETS

8 Jupiter

9 PX437 EXOPLANETS Horne 2007

10 PX437 EXOPLANETS Multiple systems: Ups And c/d

11 PX437 EXOPLANETS

12

13 Metallicity Fischer & Valenti 2003, 2005

14 PX437 EXOPLANETS

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

16 PX437 EXOPLANETS The black widow pulsar (B1957+20) Red=X-ray; blue/green=optical

17 PX437 EXOPLANETS V391 Peg b discovered by timing method Silvotti et al. 2007, Nature 449, 189

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