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贯穿日球层及本地星际介质的银河宇宙射线。

Galactic Cosmic Rays Throughout the Heliosphere and in the Very Local Interstellar Medium.

作者信息

Rankin Jamie S, Bindi Veronica, Bykov Andrei M, Cummings Alan C, Della Torre Stefano, Florinski Vladimir, Heber Bernd, Potgieter Marius S, Stone Edward C, Zhang Ming

机构信息

Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544 USA.

Physics and Astronomy Department, University of Hawaii, Honolulu, HI 96822 USA.

出版信息

Space Sci Rev. 2022;218(5):42. doi: 10.1007/s11214-022-00912-4. Epub 2022 Jul 15.

Abstract

We review recent observations and modeling developments on the subject of galactic cosmic rays through the heliosphere and in the Very Local Interstellar Medium, emphasizing knowledge that has accumulated over the past decade. We begin by highlighting key measurements of cosmic-ray spectra by Voyager, PAMELA, and AMS and discuss advances in global models of solar modulation. Next, we survey recent works related to large-scale, long-term spatial and temporal variations of cosmic rays in different regimes of the solar wind. Then we highlight new discoveries from beyond the heliopause and link these to the short-term evolution of transients caused by solar activity. Lastly, we visit new results that yield interesting insights from a broader astrophysical perspective.

摘要

我们回顾了关于银河系宇宙射线通过日球层及在本地星际介质中的最新观测结果和模型进展,重点关注过去十年积累的知识。我们首先强调了“旅行者号”、“帕梅拉”(PAMELA)和阿尔法磁谱仪(AMS)对宇宙射线能谱的关键测量,并讨论了太阳调制全球模型的进展。接下来,我们综述了近期与太阳风不同状态下宇宙射线的大规模、长期空间和时间变化相关的研究工作。然后,我们突出了日球层顶之外的新发现,并将这些发现与太阳活动引起的瞬变的短期演化联系起来。最后,我们探讨了从更广泛的天体物理学角度得出有趣见解的新结果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a69/9287243/60455bb2f088/11214_2022_912_Fig1_HTML.jpg

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