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Solar proton flares during the period 1942-1989 the daily surface distribution


・ B. I) corresponds to a large distribution of proton flares at face 2. SXR emission proton flow great great delay on the day side distribution of literature to take A ● extension, analysis of this delay in the distribution at the surface. First, the two hemispheres of the north or south Statistics At (points) with the change in heliographic longitude (see Figure 5). Can be seen from Figure 5, At (points) are different with the Japanese side through to get by (from w90. Starting) west to east, monotone delivery of white IEt_ 'circle 5.1976-1989 year period, a great moment of the proton reserves the soft X-ray emission group of large time delay At (Aguilar) with heliolongitude changes. Circle 5. Delay at (m) ~ 0 of the effect to be heard in the index letter sets,[link widoczny dla zalogowanych], At (m) - ∞ Gan, where B = '. Figure 6), we find At (min) and. very good between the exponential function fitting: At (sub): ac, where a = 4.27 × 10,[link widoczny dla zalogowanych], b = 1.33x10-2 = 0.98. absolutely fitting accuracy of ± 245 copies), and the relative fitting accuracy I4%. If you take into account the 0 = 105. point on the sudden jump and were fitted with the words of eastern and western hemispheres. The results will be better. IV Summary and discussion of 213 years based on 1942-1989 Statistical analysis of proton flares: 1. they are obviously on the distribution of the surface of things, north and south asymmetry. that appear in the Western Hemisphere, Eastern Hemisphere higher than the 0.28 probability . the Northern Hemisphere than the Southern Hemisphere 0.24. especially the emergence of the Northwest quadrant of the highest rate (0.39). but to three of the l or x-class flare of soft x-ray events corresponding to the distribution of proton flares at the asymmetric surface trend of a weak base. These results Hcras and Sanahuja on> IB-level results of the asymmetric distribution of flare quite consistent, and agree that the severity of asymmetric distribution of proton flares mainly by small (or small flare) caused. 2. corresponds to H classification> 3 of the proton or x-class flare SXR events. Almost half of the total proton flares. that half of the probability of proton flares in H area is large, SXR emission is very strong in the active region, while l Level l flares only 15%. C-level event 1% $ XR activity area .3 release high-energy proton particles surface distribution of days that range in Eo._】 0 highlights her high on the Forbush decrease which Weifeng Si (FD) statistics consistent with the results. The difference is that we also found that w ∞ ・ ・ range of the proton flow distribution occur secondary maximum. proton events strong west to the east of serious asymmetric distribution. may be due to the shock from the Eastern Hemisphere appear on Earth. average is quasi-perpendicular shock, the Western Hemisphere, the situation is quasi-parallel shock. expected from shock acceleration theory. quasi-perpendicular shock acceleration of particles and effective than the quasi-parallel shock due. 4. A great moment of high energy particles of soft x-ray emission is relatively great day when the quiet of the delay distribution shows the east side monotonically increasing,[link widoczny dla zalogowanych], that is, the spread of the proton flow speed of the characteristics of slow East West Express. If the set of proton flow in the Sun-Earth distance of space spread over time, can be obtained by a time delay At the proton flow velocity of the normalized value with changes in longitude 0 (Mi Figure 7). Can be seen from Figure 7, it is the shock speed and the average investment is very similar plot. The average speed of just showing a shock to the contrary of the East West slow fast distribution. This is due to the activity area on the western side of the particle with the release of shock propagation. Is the shock wave swept the eastern part of the earth. As the shock propagation direction relative to the normal flare northwest southeast direction faster than the statistical properties, which are reflected in the particle velocity distribution of mantle East West Express features. -_228-● E circle left odd degree Proton transmission (normalized face a daily risk of changes in hydrocarbon 5. According to the western side of proton flares occurred in Japan,[link widoczny dla zalogowanych], the probability is high; appeared in the east have a big chance was low but the possibility of proton events high; western active regions than in the east before the release of particles near the Earth and so on. proton event is expected to improve forecasting and early days of proton events 0.4_2.5 alarm. must be noted that the delay in the distribution in Figure 6 in a = 105. Department (ie Eo .-,[link widoczny dla zalogowanych], o.) the sudden increase occurs, which may reflect the spread of eastern and western hemispheres particles have a different degree of regularity East West Express slow. Of course this is only one of our guess, to be Space observation and study further confirmed
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