Short-lived solar burst spectral component at F approximately 100 GHz

Details Short-lived solar burst spectral component at F approximately 100 GHz Short-lived solar burst spectral component at F approximately 100 GHz

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sfcp.nasa..208k&link_type=abstract

In NASA. Marshall Space Flight Center Solar Flares and Coronal Physics Using P/OF as a Research Tool p 208-214 (SEE N86-24614

Physics

High Resolution, Relativistic Effects, Relativistic Velocity, Solar Radio Bursts, Solar X-Rays, Compton Effect, Electrons, Photons, Spatial Resolution, Synchrotron Radiation, Temporal Resolution

Scientific paper

A new kind of burst emission component was discovered, exhibiting fast and distinct pulses (approx. 60 ms durations), with spectral peak emission at f approx. 100 GHz, and onset time coincident to hard X-rays to within approx. 128 ms. These features pose serious constraints for the interpretation using current models. One suggestion assumes the f approx. 100 GHz pulses emission by synchrotron mechanism of electrons accelerated to ultrarelativistic energies. The hard X-rays originate from inverse Compton scattering of the electrons on the synchrotron photons. Several crucial observational tests are needed for the understanding of the phenomenon, requiring high sensitivity and high time resolution (approx. 1 ms) simultaneous to high spatial resolution (0.1 arcsec) at f approx. 110 GHz and hard X-rays.

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