1. A Giant Planet Candidate near a Young Brown Dwarf Chauvin et al. (2004) A&A in press

2. ● 136 extrasolar planets (Sep 2004)

3. Dynamical Effects ● Star rotates around the system center- of-mass ● Detected through – Doppler shift – Astrometry – Pulsar timing

4. Doppler shift

5. Astrometrey

6. Microlensing

7. OCCULTATION /tmp/OSN/tmp/OSNanimkurz.mpeg /tmp/OSN/tmp/OSNanimkurz.mpeg

8. Direct imaging

9. TW Hydrae Association ● Small group of isolated young stars ● In the solar neighborhood, nearest such group ● Age, 10 million years, when planet formation believed to occur ● Popular location to search for planets

10. NACO ● NAOS - Nasmyth Adaptive Optics System ● CONICA - Near-Infrared Imager and Spectrograph Dichroic Reflected light to the WFS Efficiency Transmitted light to CONICA Efficiency Conditions of use N90C10 V,R,I,J,K (0.45 - 2.55 microns) 90% V, R, I, J, H, K (0.45 - 2.55 microns) 10% WF sensing and observing in the infrared