Model of the solar cosmic ray burst on March 19, 1990

Ermakov, S. I.; Lyubimov, G. P.; Tulupov, V. I.; Chuchkov, E. A.

doi:10.1134/s0010952507020025

Cited by 2 publications

(4 citation statements)

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“…These zones are limited from both sides by areas of intensity decrease to the minimum values, i.e., the slits. Assum ing that the areas with the peak intensity values corre spond to the diameter of the tubes, we obtain a good agreement with the results of the calculations that were carried out in [5,13]; i.e., the diameter of the tubes at a distance of 1 a.u. from the Sun is ~3.5 × 10 6 km.…”

Section: Slitsupporting

confidence: 85%

“…The fundamental spatial formation is a magnetic tube (the minimum field on the axis) with a characteristic size of (0.5-2.0) × 10 6 km and a mini mum size of 0.03 × 10 6 km at a distance from the Sun 1 a.u. [5].…”

Section: Discussionmentioning

confidence: 99%

“…A comprehensive analysis of this event recorded by the GRANAT artificial Earth satellite was presented in [4,5]. The SCR event on March 19-21, 1990 is attrib uted to the flare with the coordinates N32W40 and importance X1.5/1B that occurred at 04:38 UT on March 19, 1990.…”

Section: Scr Event On March 19-21 1990mentioning

confidence: 99%

“…Solar cosmic rays are an instrument for studying the structure and state of the interplane tary magnetic field (IMF) and solar wind (SW) plasma, as well as their sources on the Sun [1,2]. Among the variations of this type are oscillations of the flux of SCR with a period of ~1 h, which we called "meanders" and observed first by us in the course of the SCR increasing event on March 19-21, 1990 using the GRANAT artificial Earth satellite [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

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“Meander”-like and “slit”-like variations in the flux of solar cosmic rays

2014

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Results of studying the origin of "meander" like and "slit" like variations in fluxes of solar cosmic rays (SCR) are presented as exemplified by the events that occurred on March 19, 1990 and December 14-15, 2006. Experimental data that were obtained by the GRANAT, ACE, Wind, STEREO A, and STEREO B spasecrafts are used. The analysis is based on the data of observations of dynamic structures in the solar atmo sphere and their continuation in the heliosphere, as well as on an empirical "reflection" model of the move ment, accumulation, and modulation of cosmic rays. A structural source of these variations on the Sun is dis cussed, which is shaped as discrete magnetic plasma loops and arches located between active regions. Such structures in the form of magnetic plasma tubes transferred from the chromosphere and corona and filled with SCR rotate together with the Sun and, when crossing the detector location region, cause space-time variations in meander like and slit like variations in SCR.

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Section: Slitsupporting

confidence: 85%

Section: Discussionmentioning

confidence: 99%

Section: Scr Event On March 19-21 1990mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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