1. Turbulence and Seeing measurements at Dome C A collaboration UNSW, CTIO and the University of Nice

2. What did we learn at the South Pole?

3. South Pole 2001……and Dome C 2003

4. The boundary layer cycle

6. The cycle in the Dome C Summer 00:0006:0012:0000:0018:0006:0012:0000:0018:00 1.0 0.8 0.0 0.4 1.2 1.6 Best seeing when: 1) Minimum radiation from the Sun 2) Minimum Thermal gradient

7. The cycle in the Dome C Summer

8. Free atmosphere turbulence

9. Effect of the high altitude wind: Paranal

10. MASS first data 24/03

11. Seeing Mauna Kea Paranal

13. Isoplanatic Angle Paranal

14. Coherence Time

15. Conclusion Already spectacular Seeing values, expected to improve in winter Very advantageous ground level turbulence profile Need more data to conclude on the isoplanatic angle and coherence time