YOHKOH SXT/HXT observations of a two-loop interaction solar flare on 1992 December 9

Details YOHKOH SXT/HXT observations of a two-loop interaction solar flare on 1992 December 9 YOHKOH SXT/HXT observations of a two-loop interaction solar flare on 1992 December 9

Jun 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995pasj...47..323i&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 47, no. 3, p. 323-330

Astronomy and Astrophysics

Astronomy

22

Coronal Loops, Magnetic Field Reconnection, Magnetic Flux, Particle Acceleration, Solar Flares, X Ray Astronomy, X Ray Imagery, X Ray Spectra, High Energy Electrons, Image Analysis, Japanese Spacecraft, Morphology, Radiant Flux Density, Spectrum Analysis, Stellar Models, X Ray Telescopes

Scientific paper

Observations with the Soft X-ray and Hard X-ray Telescopes (SXT and HXT) aboard Yohkoh of simple solar flare on 1992 December 9 are discussed. The soft X-ray morphology suggests evidence of a loop-loop interaction mechanism: the images reveal two parallel magnetic loops prior to the flare, and their merging just before onset of the hard X-ray burst. This flare therefore provides a chance to examine the two-loop interaction model for solar flares. It is found (1) that the observed soft X-ray behavior of the two loops in the preflare phase well matches to the two-loop interaction model between strong and weak current loops and (2) that the observed time scale of the two-loop coalescence is almost equal to that estimated from explosive-reconnection theory. In the impulsive phase, it is found (3) that the loop-top portion near to the interaction region first brightens in the 14-23 keV hard X-rays and (4) that the 23-33 keV hard X-ray emission around the peak time originates dominantly from two compact sources at the two ends of the merging loops. These hard X-ray observations are explained by high-energy electrons that are produced in the two current loop interaction.

Affiliated with

Also associated with

No associations

Rating

YOHKOH SXT/HXT observations of a two-loop interaction solar flare on 1992 December 9 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 YOHKOH SXT/HXT observations of a two-loop interaction solar flare on 1992 December 9, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and YOHKOH SXT/HXT observations of a two-loop interaction solar flare on 1992 December 9 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-758022