Mathematics – Logic
Scientific paper
Mar 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sunge...1a..64s&link_type=abstract
Sun and Geosphere, vol.1, no. 1, p. 64-67
Mathematics
Logic
Scientific paper
A great part of the information about large-scale structure of the solar corona comes from solar observations during total solar eclipses. Space coronagraphs over-occult the Sun, omitting from view exactly the inner and coronal reasons well imaged at total solar eclipses. The total eclipse of the Sun on 2006 March 29, will be visible from within a narrow corridor, which transverse half the Earth. We foresee observations from the territory of Turkey. The aims of observations are: Photometric investigation of the White corona structure and polarization; Investigation of the structure of monochromatic emission corona in green (Fe XIV, λ=5303Å) and red (Fe X, λ=6374Å) line, H α, and the thermal corona in the 2 -5 μm region of the Infrared spectrum; Tropospheric and stratospheric O3 and NO2 photochemistry study; Determining of the dynamics of basic microclimatic parameters of the 10 m ground atmospheric layer. The following methods will be used: Taking of photograph of the corona (telescope-refractor 100/1000mm, spectrozonal photoemulsions, polarization and infrared barrier filters), registration of the investigated emissions (telescope-refractor 150/1600mm, high sensitive photo-emulsions, narrow band filters), Differential Optical Absorption Spectroscopy method, measuring of the microclimatic parameters with automatic meteorological station; processing and analysis of the photographs and data, seeking for wave structures in the O3 and NO2 concentration, comparison with other measurements during an eclipse. The results we expect are: Determining of the Solar corona characteristics, finding of regularities in the O3 and NO2 behavior in conditions of reduced solar radiation, and clarifying the dynamical and photochemical processes in the stratosphere and climate of the ground atmosphere.
Kostadinov I. N.
Stoev Alexey D.
Stoeva Penka V.
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