The generation mechanism of solar metre-wave moving type IV bursts

Physics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Brightness Temperature, Plasma Radiation, Solar Flares, Solar Physics, Superhigh Frequencies, Type 4 Bursts, Coronal Loops, Electron Energy, Electrostatic Waves, Ion Acoustic Waves, Plasma Clouds, Stellar Models, Transverse Waves, Wave Interaction

Scientific paper

A new model and radiation mechanism for type IVmA bursts are presented. Plasma clouds ejected during the explosive phase of a flare move upward inside a large magnetic arc, and trapped nonthermal electrons with forward-cone gap distribution excite Langmuir waves. Where the electron temperature T(e) is much greater than the ion temperature T(i), there should be ion sound waves in the source. An electromagnetic transverse wave is produced through nonlinear interaction between the two types of waves and the type IVmA burst takes place. The brightness temperature spectra and evolution for eight announced events are calculated and the results agree well with observations. Radiation processes for T(e) = T(i) and T(e) much greater than T(i) are compared, and it is shown that the latter condition is more probably true. Thus the main contribution to the type IVmA burst, and probably to other types of solar radio bursts as well, comes from a nonlinear process rather than ion scattering.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

The generation mechanism of solar metre-wave moving type IV bursts does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The generation mechanism of solar metre-wave moving type IV bursts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The generation mechanism of solar metre-wave moving type IV bursts will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1029726

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.