Quantifying the global solar wind-magnetosphere interaction with the Solar-Terrestrial Observer for the Response of the Magnetosphere (STORM) mission concept-猫眼课题宝

DOI：

10.3389/fspas.2023.1138616

发表时间：

2023-02

期刊：

影响因子：

通讯作者：

中科院分区：

其他

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作者：

D. Sibeck;K. Murphy;F. Porter;H. Connor;B. Walsh;K. Kuntz;E. Zesta;P. Valek;Charles Baker;J. Goldstein;H. Frey;S. Hsieh;P. Brandt;R. Gomez;G. DiBraccio;S. Kameda;Vivek Dwivedi;M. Purucker;M. Shoemaker;S. Petrinec;Homayon Aryan;R. Desai;M. Henderson;G. Cucho‐Padin;W. Cramer

我们对太阳风与地球磁层相互作用的了解，大部分是通过单个或多个航天器进行的孤立的原位测量获得的。根据他们的观察，我们知道，无论是在白天的磁层顶还是在地球磁尾深处，重新连接控制着太阳风进入和通过全球系统的大量能量，而夜晚的活动提供了能量粒子，为地磁风暴提供动力。但由于其本身的性质，这些孤立的原位测量不能提供整个系统或其跨尺度动力学的瞬时全局视图。为了充分量化耦合太阳风-磁层的动力学，需要对构成磁层的关键等离子体结构进行全面的端到端全球成像，其空间分辨率超过多点或星座原位测量所能达到的任何分辨率。全球端到端成像提供了在连续的基础上理解整个系统、其组成部分和其跨尺度过程的途径，如需要量化通过全球磁层系统的太阳风流量。本文描述了在高海拔、高倾角轨道上搭载综合仪器的单一航天器如何与地面仪器相结合，提供跟踪和量化通过磁层的太阳风流动所需的基本观测。这包括观测太阳风等离子体和磁场输入，软x射线的磁层顶位置，远紫外线的极光椭圆，高能中性的环电流，极紫外线的等离子层，莱曼α的外逸层，以及地面全天空照相机的夜侧极光椭圆的微观结构。

Much of what we know about the solar wind’s interaction with the Earth’s magnetosphere has been gained from isolated in-situ measurements by single or multiple spacecraft. Based on their observations, we know that reconnection, whether on the dayside magnetopause or deep within the Earth’s magnetotail, controls the bulk flow of solar wind energy into and through the global system and that nightside activity provides the energized particles that power geomagnetic storms. But by their very nature these isolated in-situ measurements cannot provide an instantaneous global view of the entire system or its cross-scale dynamics. To fully quantify the dynamics of the coupled solar wind-magnetosphere requires comprehensive end-to-end global imaging of the key plasma structures that comprise the magnetosphere which have spatial resolutions that exceeds anything possible with multi-point or constellation situ measurements. Global, end-to-end, imaging provides the pathway to understanding the system as a whole, its constituent parts, and its cross-scale processes on a continuous basis, as needed to quantify the flow of solar wind energy through the global magnetospheric system. This paper describes how a comprehensively-instrumented single spacecraft in a high-altitude, high-inclination orbit coupled with ground-based instruments provides the essential observations needed to track and quantify the flow of solar wind energy through the magnetosphere. This includes observations of the solar wind plasma and magnetic field input, the magnetopause location in soft X-rays, the auroral oval in far ultraviolet, the ring current in energetic neutrals, the plasmasphere in extreme ultraviolet, the exosphere in Lyman-α, and the microstructure of the nightside auroral oval from ground-based all sky cameras.

Quantifying the global solar wind-magnetosphere interaction with the Solar-Terrestrial Observer for the Response of the Magnetosphere (STORM) mission concept

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