VLA observations of positions 42 6 centimeter burst peaks associated with hard X-ray burst spikes

Details VLA observations of positions 42 6 centimeter burst peaks associated with hard X-ray burst spikes VLA observations of positions 42 6 centimeter burst peaks associated with hard X-ray burst spikes

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251..342k&link_type=abstract

Astrophysical Journal, Part 1, vol. 251, Dec. 1, 1981, p. 342-351.

Astronomy and Astrophysics

Astrophysics

26

Antenna Arrays, Centimeter Waves, Radio Observation, Solar Flares, Solar Radio Bursts, Solar X-Rays, X Ray Spectroscopy, Circular Polarization, Data Reduction, Electron Radiation, High Resolution, Polarization Characteristics, Solar Activity Effects, Spatial Resolution, Spikes, Very Large Array (Vla)

Scientific paper

Using the Very Large Array with a spatial resolution of 3 arcsec, two-dimensional, 10-second synthesis maps are produced of four 6-cm lambda bursts associated with multiply spiked hard X-ray bursts (20-300 keV). The positional, structural, and polarization characteristics are investigated. It is noted that three of the four burst sources are rather compact (less than approximately 10 arcsec). It is found that the positions of the individual peaks or spikes within a single burst are the same within plus or minus 2 arcsec. Interpreting these different peaks as separate electron acceleration events, the results suggest repeated acceleration of electrons within the same magnetic trap. The trap situation is found to be consistent with the bipolar nature of the burst sources except in one case.

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