ao - ForOT Optical Turbulence Forecasts

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SEEING CONDITIONS AT DOME C Annual Variation at Different Heights 2835 m FRENCH-ITALIAN CONCORDIA STATION AT DOME C 3810 m 4100 m 3250 m WINTER SUMMER Summer/Daytime Seeing at 8.5m Height 1.3 Winter Seeing at 8.5 m Winter Seeing at 30 m AGABI et al. 2006 ARNAUD et al. 2007
Height (meters) WINTER SUMMER SEEING ABOVE INDICATED HEIGHT CALCULATED FROM BALLOON C n2 (h) OBSERVATIONS BEST SUMMER/DAYTIME SEEING AT 8.5 m HEIGHT (0.3”) IS CLOSE TO FREE ATMOSPHERE SEEING (0.25”) AVERAGE MID-SUMMER/DAYTIME SEEING (0.7”) IS ABOUT 50% OF WINTER SEEING AT 8.5 m HEIGHT ROUGH SURFACE ENERGY BALANCE: ASSUME STEADY STATE & LOCAL CONDITIONS EXTEND EVERYWHERE IN WINTER SURFACE COLDER THAN THE AIR IN SUMMER SOLAR RADIATION EQUALIZES SURFACE AND AIR TEMPERATURES REAL SITUATION IS NON-STEADY & NON-LOCAL
Page 1 and 2: TURBULENCE IN HIGH ANGULAR RESOLUTI
Page 3 and 4: DETRIMENTAL EFFECTS BY THE ATMOSPHE
Page 5 and 6: SO: WHY BOTHER WITH GROUND-BASED TE
Page 7: HEIGHT VARIATION OF REFRACTIVE INDE
Page 11 and 12: “Fried Parameter” r 0 definitio
Page 13 and 14: REMOVING SEEING EFFECTS IN TELESCOP
Page 15 and 16: SOME EXAMPLES OF IMAGES RESTORED BY
Page 17 and 18: INCREASING THE CORRECTED AREA ON TH
Page 19 and 20: SOLAR S-H WAVEFRONT SENSOR FOR ATMO
Page 21 and 22: NAME Balloons SCIDAR G-SCIDAR S-S S
Page 23 and 24: THE MANY FLAVORS OF ADAPTIVE OPTICS
Page 25 and 26: MANAGING SEEING EFFECTS IN INTERFER
Page 27 and 28: TRIPLE CORRELATION/BISPECTRUM ANALY
Page 29: THANK YOU!

ao - ForOT Optical Turbulence Forecasts

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