PX437 EXOPLANETS
Outline
1. Before Exoplanets
2. Detecting exoplanets1. Direct imaging2. Reflex Motion of Star3. Transiting exoplanets
3. Planet Formation
4. Extra-Terrestial Life
PX437 EXOPLANETS
Solar wobble
Displacement of the Sun over 45-year period, as observed from 33 light-years away.
NASA JPL
PX437 EXOPLANETS
Astrometry with HST
Benedict et al. 2006, AJ 132, 2206
PX437 EXOPLANETS
SOPHIE spectrographat Haute-Provence Observatory
PX437 EXOPLANETS
Radial Velocity discovery of 51 Peg b
Mayor & Queloz 1995, Nature 378, 23
PX437 EXOPLANETSHorne 2007
PX437 EXOPLANETSMultiple systems: Ups And c/d
PX437 EXOPLANETS
MetallicityFischer & Valenti 2003, 2005
PX437 EXOPLANETS
Discovery of planets orbiting a pulsar
Wolszczan & Frail 1992, Nature 355, 145
PX437 EXOPLANETS
The black widow pulsar(B1957+20)
Red=X-ray; blue/green=optical
PX437 EXOPLANETS
V391 Peg b discovered by timing method
Silvotti et al. 2007, Nature 449, 189