A study of the evolution of electron and ion acceleration during the 09:09 UT solar flare on 1989 September 9

Details A study of the evolution of electron and ion acceleration during the 09:09 UT solar flare on 1989 September 9 A study of the evolution of electron and ion acceleration during the 09:09 UT solar flare on 1989 September 9

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...275..602c&link_type=abstract

Astronomy and Astrophysics, Vol. 275, p. 602 (1993)

Astronomy and Astrophysics

Astrophysics

30

Sun: Bursts, Sun: Flares, Sun: X Rays, Sun: Γ Rays, Sun: Radio, Sun: Hα

Scientific paper

By use of radio, optical, X-ray and γ-ray observations we have studied the evolution of electron and ion acceleration during the 09:09 UT solar flare on 1989 September 9. The event is characterized by changes in the energetic photon spectrum as new radio sources appear. As the flare develops in energetic photon emissions the hard X-ray emission increases sporadically and low level nuclear line emission appears. At the time of initiation of the major increase in intensity of energetic photons, the power law bremsstrahlung spectrum hardens significantly and photons > 10 MeV are produced. During this increase the electron and proton interaction rates are enhanced, respectively, by factors of 8 and (11-16). This may indicate that proton acceleration became slightly more efficient than the acceleration of electrons. The increased efficiency in producing the energetic electrons and ions is clearly associated with the appearance of a new radio source. It is of particular interest that a new eruptive Ho feature appears outside the main flare ribbons in association with the major phase of the flare.

Affiliated with

Also associated with

No associations

Rating

A study of the evolution of electron and ion acceleration during the 09:09 UT solar flare on 1989 September 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 A study of the evolution of electron and ion acceleration during the 09:09 UT solar flare on 1989 September 9, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A study of the evolution of electron and ion acceleration during the 09:09 UT solar flare on 1989 September 9 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1490128