Identification and preliminary characterisation of signals recorded by instrument for lunar seismic activity at the Chandrayaan 3 landing site

IF 2.5 2区物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS

Icarus Pub Date : 2024-08-29 DOI:10.1016/j.icarus.2024.116285

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引用次数: 0

Abstract

The science objective of the Instrument for Lunar Seismic Activity (ILSA) is to study the seismicity at the landing site of the Indian lunar mission, the Chandrayaan 3. It also aimed at demonstrating the capability of devices based on silicon micromachining technology to survive and operate in planetary missions and environments. The Chandrayaan 3 mission had a lander and a rover together carrying five different scientific instruments. ILSA was placed on the lunar surface and had six accelerometers in it. It was operated during the lunar day from 24 August 2023 to 4 September 2023. This paper presents the summary of observations made on 190 h of data recorded by ILSA. We have identified more than 250 distinct signals of which about 200 signals are correlated to known activities involving the physical movements of the rover or the operation of science instruments. This paper presents our approach in the preliminary characterisation and cataloguing of the events based on their temporal properties and spectral contents. It will also act a guide for the future researchers to search, identify and analyse the records made by ILSA.

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月壤 3 号着陆场月球地震活动仪器所记录信号的识别和初步特征描述

月球地震活动仪器（ILSA）的科学目标是研究印度月球任务 "月神 3 号 "着陆点的地震活动。它还旨在展示基于硅微机械加工技术的设备在行星任务和环境中生存和运行的能力。Chandrayaan 3 号任务包括一个着陆器和一个漫游车，同时携带五种不同的科学仪器。ILSA被放置在月球表面，里面有六个加速度计。它在 2023 年 8 月 24 日至 2023 年 9 月 4 日的月球日期间运行。本文概述了对 ILSA 记录的 190 小时数据的观测结果。我们确定了 250 多个不同的信号，其中约 200 个信号与涉及漫游车物理运动或科学仪器操作的已知活动相关。本文介绍了我们根据这些事件的时间特性和光谱内容对其进行初步特征描述和编目的方法。它还将为未来的研究人员搜索、识别和分析国际空间站的记录提供指导。

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

Icarus 地学天文-天文与天体物理

CiteScore

6.30

自引率

18.80%

发文量

356

审稿时长

2-4 weeks

期刊介绍： Icarus is devoted to the publication of original contributions in the field of Solar System studies. Manuscripts reporting the results of new research - observational, experimental, or theoretical - concerning the astronomy, geology, meteorology, physics, chemistry, biology, and other scientific aspects of our Solar System or extrasolar systems are welcome. The journal generally does not publish papers devoted exclusively to the Sun, the Earth, celestial mechanics, meteoritics, or astrophysics. Icarus does not publish papers that provide "improved" versions of Bode''s law, or other numerical relations, without a sound physical basis. Icarus does not publish meeting announcements or general notices. Reviews, historical papers, and manuscripts describing spacecraft instrumentation may be considered, but only with prior approval of the editor. An entire issue of the journal is occasionally devoted to a single subject, usually arising from a conference on the same topic. The language of publication is English. American or British usage is accepted, but not a mixture of these.