Astronomy and Astrophysics – Astronomy
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sass...27...43h&link_type=abstract
The Society for Astronomical Sciences 27th Annual Symposium on Telescope Science. Held May 20-22, 2008 at Big Bear Lake, CA. Pub
Astronomy and Astrophysics
Astronomy
Scientific paper
This article discusses a proposed study of solar plasma motion, a radio receiving system designed to detect plasma motion-driven microwaves, and the initial radio analysis to understand the receiving system characteristics. A phenomenon of interest is the increasing temperature from the solar photosphere to the solar corona. I've been thinking about testable hypothesis[es] for how to measure the different altitudes (via a temperature scale) of the transition zone (between photosphere and corona) of the sun. I think if we choose the appropriate frequencies, one close to the surface, say 11.7 GHz and one above the 2km breakpoint, say 12.7 GHz we might test for a couple of possible phenomena: (1) At Extremely Low Frequencies (ELF), are we seeing a Doppler shifting in the phase of plasma motions, and (2) in a polarized recording of data, can we measure electro- magnetic waves in both electric and magnetic components. The temperatures that are being measured at 11.7 GHz are approximately 15,000 Kelvin and the temperature at 12.7 GHz is approximately 17,000 Kelvin.
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