我们能通过舒曼共振找到火星闪电吗?

IF 2.6 3区物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS

Frontiers in Astronomy and Space Sciences Pub Date : 2023-09-13 DOI:10.3389/fspas.2023.1162624

T. M. Esman, J. R. Espley, J. R. Gruesbeck, A. Verbiscer, J. Giacalone, A. J. Halford

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引用次数: 0

摘要

舒曼共振是一种电磁共振，通常与闪电有关。如果它们在火星上存在，舒曼共振预计将在电离层腔内以7-14赫兹的基本频率共振。我们在火星全球勘测者(MGS)和火星大气与挥发物演化(MAVEN)任务的磁场数据中搜索了400公里以下5-16 Hz的信号。利用快速傅里叶变换和小波分析对这些信号进行了识别，并进一步研究了它们的特征。我们讨论了我们的无效结果以及继续和改进此搜索所需的步骤。未来的研究将需要更高灵敏度的仪器，并将受益于进一步深入火星电离层下层的任务。

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Will we find Martian lightning via Schumann resonances?

Schumann resonances are electromagnetic resonances generally associated with lightning. If they exist on Mars, Schumann resonances are expected to resonate within the ionospheric cavity at a fundamental frequency of 7–14 Hz. We conducted a search for 5–16 Hz signals below 400 km in magnetic field data from the Mars Global Surveyor (MGS) and Mars Atmosphere and Volatile Evolution (MAVEN) missions. Fast Fourier transforms and wavelet analysis were used to find these signals and investigate their characteristics further. We discuss our null results and the required steps forward to continue and improve this search. Future studies will require higher sensitivity instruments and would benefit from additional missions that reach into the lower ionosphere of Mars.

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来源期刊

Frontiers in Astronomy and Space Sciences ASTRONOMY & ASTROPHYSICS-

CiteScore

3.40

自引率

13.30%

发文量

363

审稿时长

14 weeks