px437 exoplanets outline 1.before exoplanets 2.detecting exoplanets 1.direct imaging 2.reflex motion...

17
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

Post on 19-Dec-2015

231 views

Category:

Documents


1 download

TRANSCRIPT

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

PX437 EXOPLANETS

Radial Velocity discovery of 51 Peg b

Mayor & Queloz 1995, Nature 378, 23

PX437 EXOPLANETS

PX437 EXOPLANETS

Jupiter

PX437 EXOPLANETSHorne 2007

PX437 EXOPLANETSMultiple systems: Ups And c/d

PX437 EXOPLANETS

PX437 EXOPLANETS

PX437 EXOPLANETS

MetallicityFischer & Valenti 2003, 2005

PX437 EXOPLANETS

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