Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsh52a0486m&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SH52A-0486
Astronomy and Astrophysics
Astronomy
0300 Atmospheric Composition And Structure, 0350 Pressure, Density, And Temperature, 0360 Transmission And Scattering Of Radiation, 3379 Turbulence, 7594 Instruments And Techniques
Scientific paper
"Seeing" is an astronomical term to describe the quality of observing conditions due to optical turbulence in the Earth's atmosphere which can blur images of astronomical objects. The ability to diagnose and forecast daytime seeing conditions at a specific location would be of use to solar observatories in scheduling observations and interpreting data, as well as a source of supporting information for site surveys of future telescopes. In the present work, we explore the feasibility of using the Air Force Weather Agency's MM5 forecasts over the continental United States (CONUS) as input to an AFRL optical turbulence modeling tool, to forecast seeing out to 48 hours in the future at several sites proposed for the Advanced Technology Solar Telescope (ATST). These forecasts are compared with optical turbulence measurements made at these sites using the Solar Differential Image Motion Monitor (S-DIMM) and SHAdow BAnd Ranger(SHABAR) instruments. These comparisons show a positive correlation between forecasted and measured daytime seeing.
Gordon Carolyn S.
Jumper George Y.
Mozer J. B.
Seeley Guy P.
van Wey N. J.
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