Abstract
view Abstract Citations (26) References (13) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Nonthermal Processes in Flaring X-Ray--bright Points Kundu, M. R. ; Strong, K. T. ; Pick, M. ; White, S. M. ; Hudson, H. S. ; Harvey, K. L. ; Kane, S. R. Abstract X-ray-bright point (XBPs) are known to show variability on a number of timescales, including impulsive X-ray brightenings. The relationship between these XBP 'flares' and normal solar flares is poorly known. A fundamental question is whether nonthermal acceleration of particles takes place in XBP flares. We address this issue by searching for nonthermal radio emission at metric wavelengths from flaring XBPs identified in Yohkoh soft x-ray telescope (SXT) data. Unequivocal evidence for type III-like radio bursts, usually attributed to beams of nonthermal electrons on open field lines, is found. This suggests that XBP flares are similar to normal flares and can indeed accelerate nonthermal populations of energetic particles. Publication: The Astrophysical Journal Pub Date: May 1994 DOI: 10.1086/187364 Bibcode: 1994ApJ...427L..59K Keywords: Gamma Rays; Nonthermal Radiation; Solar Flares; Solar Physics; Solar Radio Emission; Solar X-Rays; Sun; X Ray Astronomy; X Ray Sources; Position Sensing; Radio Frequencies; Spectroheliographs; Astrophysics; SUN: ACTIVITY; SUN: RADIO RADIATION; SUN: X-RAYS; GAMMA RAYS full text sources ADS |
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