Advances in solar radio astronomy

Details Advances in solar radio astronomy Advances in solar radio astronomy

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982rpph...45.1435k&link_type=abstract

Reports on Progress in Physics, vol. 45, Dec. 1982, p. 1435-1541.

Astronomy and Astrophysics

Astronomy

25

Radio Astronomy, Solar Radio Emission, Brightness Temperature, Centimeter Waves, Coronal Holes, Decametric Waves, Millimeter Waves, Plasma Oscillations, Polarized Electromagnetic Radiation, Solar Atmosphere, Solar Oscillations, Solar X-Rays, Type 2 Bursts, Type 3 Bursts, Type 4 Bursts, Type 5 Bursts

Scientific paper

The status of the observations and interpretations of the sun's radio emission covering the entire radio spectrum from millimeter wavelengths to hectometer and kilometer wavelengths is reviewed. Emphasis is given to the progress made in solar radio physics as a result of recent advances in plasma and radiation theory. It is noted that the capability now exists of observing the sun with a spatial resolution of approximately a second of arc and a temporal resolution of about a millisecond at centimeter wavelengths and of obtaining fast multifrequency two-dimensional pictures of the sun at meter and decameter wavelengths. A summary is given of the properties of nonflaring active regions at millimeter, centimeter, and meter-decameter wavelengths. The properties of centimeter wave bursts are discussed in connection with the high spatial resolution observations. The observations of the preflare build-up of an active region are reviewed. High spatial resolution observations (a few seconds of arc to approximately 1 arcsec) are discussed, with particular attention given to the one- and two-dimensional maps of centimeter-wavelength burst sources.

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