The Magnetic Search Coil (MSC) on the TRACERS Mission.

IF 7.4 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Space Science Reviews Pub Date : 2025-01-01 Epub Date: 2025-08-05 DOI:10.1007/s11214-025-01200-7

G B Hospodarsky, A J Carton, R T Dvorsky, D L Kirchner, D M Miles, S R Bounds, I W Christopher, D Crawford, K Deasy, J S Dolan, J B Faden, G W Fessenden, C Hansen, R L Helland, S D Klinkhammer, M C Miller, K J Morris, C W Piker, O Santolik, K Steele, T A Tompkins, M D Webb, D Wilkinson

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Abstract

The Magnetic Search Coil (MSC) instruments on the TRACERS mission provide the three magnetic components of the waves from ∼1 Hz to 1 kHz from two closely spaced spacecraft in low Earth orbit that pass through the magnetospheric cusp. These measurements of Alfvén and other waves help meet the TRACERS Science Objective 3: "Determine to what extent dynamic structures in the cusp are associated with temporal versus spatial reconnection". The TRACERS MSC uses a three axis, dual sensor coil system and amplifiers with current feedback to provide continuous analog outputs to the Electric Field Instrument (EFI) Electric Signal Processing (ESP) Board. The ESP digitally samples each MSC analog output channel with 16-bit resolution at 2048 samples/second and sends the digitally sampled data to the Central Data Processing Unit (CDPU). The TRACERS MSC design, calibration, and performance is described.

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TRACERS任务中的磁性搜索线圈（MSC）。

TRACERS任务上的磁搜索线圈（MSC）仪器提供了两个近地轨道上通过磁层尖端的紧密间隔的航天器产生的~ 1 Hz至1 kHz波的三种磁分量。这些对alfvsamn和其他波的测量有助于满足TRACERS科学目标3：“确定尖端的动态结构在多大程度上与时间和空间重连相关联”。TRACERS MSC采用三轴双传感器线圈系统和带电流反馈的放大器，为电场仪器（EFI）电信号处理（ESP）板提供连续的模拟输出。ESP以每秒2048个采样的速度对每个MSC模拟输出通道进行16位分辨率的数字采样，并将数字采样数据发送到中央数据处理单元（CDPU）。TRACERS MSC的设计、校准和性能进行了描述。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Space Science Reviews 地学天文-天文与天体物理

CiteScore

19.70

自引率

3.90%

发文量

审稿时长

4-8 weeks

期刊介绍： Space Science Reviews (SSRv) stands as an international journal dedicated to scientific space research, offering a contemporary synthesis across various branches of space exploration. Emphasizing scientific outcomes and instruments, SSRv spans astrophysics, physics of planetary systems, solar physics, and the physics of magnetospheres & interplanetary matter. Beyond Topical Collections and invited Review Articles, Space Science Reviews welcomes unsolicited Review Articles and Special Communications. The latter encompass papers related to a prior topical volume/collection, report-type papers, or timely contributions addressing a robust combination of space science and technology. These papers succinctly summarize both the science and technology aspects of instruments or missions in a single publication.