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17.02.2014
Twenty-fourth cycle of solar activity continues in the maximum phase is accompanied by new and powerful explosive processes (coronal mass ejections and flares), the consequence of which are injected into interplanetary space high-energy solar cosmic rays. In the period from 10 December 2013 to 31 January 2014 on the Sun, several things happened, two of which (6 and 7 January 2014) are the strongest reached the Earth since March 2013.
Spectrometers Pamela and Arina on board Resurs-DK1 working and continue to monitor the flow of charged cosmic radiation, including solar nature, in the near-Earth space.
Resurs-DK1spacecraft
Graphic bellow shows the time profiles of the intensity of protons in the energy range 45 ÷ 55 MeV (Arina) 100 ÷ 145 MeV, 400 MeV and 540 ÷ 1100 ÷ 1300 MeV (Pamela) of galactic and solar origin. Some days spectrometers fixed increase in the flux of solar protons over the background-dominant in the quiet period of solar activity galactic component. This is due to have taken place in the sun active explosive processes.
December 28, 2013 at 17:36 and January 7, 2014 at 18:24 observed coronal mass ejections and flares in active regions in 1936 and 1944 respectively (times are indicated by arrows in the figure). Because outbreaks have been observed in X-rays, their power is defined and assigned to a class (indicated by arrows on the right). Two other increase in the flux of protons December 26, 2013 and January 6, 2014, as indicated by arrows, but because the X-rays at this time of intense flares were found, their class is not defined. Apparently, January 6 powerful outbreak occurred in 1936, which was at that time on the western edge of the solar disk.
Graphic above: Time profiles of proton fluxes of galactic and solar origin in the period from 10 December 2013 to 31 January 2014.
According to observations spectrometers Pamela and Arina found that in a flash January 6 maximum energy of accelerated protons reached 1 GeV (from the beginning of observations in 1942 such events registered only 72). In the subsequent outbreak January 7 protons were accelerated to an energy of ~ 600 MeV. Helium nuclei and other particles in the solar cosmic rays found.
ROSCOSMOS Press Release: http://www.federalspace.ru/20236/
Image, Graphic, Text, Credits: Roscosmos press service / ROSCOSMOS / Translation: Orbiter.ch Aerospace.
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