Articles | Volume 37, issue 5
https://doi.org/10.5194/angeo-37-903-2019
https://doi.org/10.5194/angeo-37-903-2019
Regular paper
 | 
25 Sep 2019
Regular paper |  | 25 Sep 2019

Multi-point galactic cosmic ray measurements between 1 and 4.5 AU over a full solar cycle

Thomas Honig, Olivier G. Witasse, Hugh Evans, Petteri Nieminen, Erik Kuulkers, Matt G. G. T. Taylor, Bernd Heber, Jingnan Guo, and Beatriz Sánchez-Cano

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Cited articles

Alania, M. V., Modzelewska, R., and Wawrzynczak, A.: Peculiarities of cosmic ray modulation in the solar minimum 23/24, J. Geophys. Res.-Space, 119, 4164–4174, https://doi.org/10.1002/2013JA019500, 2014. 
Badruddin and Kumar, A.: Study of the Cosmic-Ray Modulation During the Passage of ICMEs and CIRs, Sol. Phys., 291, 559–580, https://doi.org/10.1007/s11207-015-0843-4, 2016. 
Belov, A.: Large scale modulation: view from the earth, Space Sci. Rev., 93, 79–105, 2000. 
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Short summary
We analysed data from radiation monitors aboard different spacecraft such as Rosetta and Integral. From the data, we extracted the evolution of galactic cosmic rays as a function of time (over a full solar cycle) and position (from 1 to 4.5 AU). In the main results, we confirm the overall evolution (anti-correlation) of the fluxes with respect to the solar activity. We found a surprising result, which is a decrease in the flux of galactic cosmic rays around comet 67P.