Solar Energetic Particle Events Detected in the Housekeeping Data of the European Space Agency's Spacecraft Flotilla in the Solar System

Solar Energetic Particle Events Detected in the Housekeeping Data of the European Space Agency's Spacecraft Flotilla in the Solar System
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欧洲航天局太阳系航天器舰队的内务数据中检测到的太阳高能粒子事件

DOI:
10.1029/2023sw003540
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发表时间:
2023
期刊:
影响因子:
3.7
通讯作者:
Sánchez-Cano B
Sánchez-Cano B
中科院分区:
地球科学1区
文献类型:
--
作者:
Sánchez-Cano B

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尽管行星空间气象预报和辐射防护对科学和机器人探索的重要性日益增加,而且需要进行准确的空间气象监测和预测,但只有数量有限的航天器拥有用于这一目的的专用仪器。然而,每个航天器(行星或天文)都有数百个分布在航天器上的管家传感器,其中一些可以用于检测太阳粒子事件产生的辐射危害。特别是,撞击航天器上的检测器和子系统的高能粒子可以通过某些内务传感器(例如错误检测和纠正(EDAC)存储计数器)来识别,并且可以评估它们的影响。这些计数器通常在短时间内突然大幅增加其误差计数,通常与高能粒子到达航天器相匹配。我们出于科学目的调查这些工程数据集,并使用来自七个欧洲航天局太阳系任务的EDAC计数器进行太阳高能粒子事件检测的可行性研究:金星快车,火星快车,ExoMars-Trace Gas Orbiter,Rosetta,BepiColombo,太阳轨道器和Gaia。六个案例研究,其中同一事件是由不同的任务在不同的位置,在太阳系内的观察。这项研究的结果显示了工程传感器,例如EDAC计数器,可以用来推断每个航天器位置的太阳粒子环境信息。因此,我们证明了各种EDAC的潜力,提供一个网络的太阳粒子探测在没有这种科学观测的地方。
Despite the growing importance of planetary Space Weather forecasting and radiation protection for science and robotic exploration and the need for accurate Space Weather monitoring and predictions, only a limited number of spacecraft have dedicated instrumentation for this purpose. However, every spacecraft (planetary or astronomical) has hundreds of housekeeping sensors distributed across the spacecraft, some of which can be useful to detect radiation hazards produced by solar particle events. In particular, energetic particles that impact detectors and subsystems on a spacecraft can be identified by certain housekeeping sensors, such as the Error Detection and Correction (EDAC) memory counters, and their effects can be assessed. These counters typically have a sudden large increase in a short time in their error counts that generally match the arrival of energetic particles to the spacecraft. We investigate these engineering datasets for scientific purposes and perform a feasibility study of solar energetic particle event detections using EDAC counters from seven European Space Agency Solar System missions: Venus Express, Mars Express, ExoMars‐Trace Gas Orbiter, Rosetta, BepiColombo, Solar Orbiter, and Gaia. Six cases studies, in which the same event was observed by different missions at different locations in the inner Solar System are analyzed. The results of this study show how engineering sensors, for example, EDAC counters, can be used to infer information about the solar particle environment at each spacecraft location. Therefore, we demonstrate the potential of the various EDAC to provide a network of solar particle detections at locations where no scientific observations of this kind are available.
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