Heliophysics Environmental &amp; Radiation Measurement Experiment Suite (HERMES): A Small External Payload for Gateway with Big Challenges

Burt, Joe; Goans, Mark; Blackwood, John; Brown, Kristen

doi:10.1109/aero53065.2022.9843491

Cited by 5 publications

(3 citation statements)

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“…During Phase 1 a set of radiation/space weather and heliophysics instruments will be flown on the Gateway: the ‘Heliophysics Environmental and Radiation Measurement Experiment Suite’ (HERMES) from NASA, the ‘European Radiation Sensors Array’ (ERSA) from ESA, and the ‘Internal Dosimeter Array’ (IDA) from ESA and JAXA [ 67 , 136 ].…”

Section: The Lunar Orbital Platform - Gatewaymentioning

confidence: 99%

High-energy particle observations from the Moon

Dandouras,

Roussos

2024

Phil. Trans. R. Soc. A.

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The Moon is a unique natural laboratory for the study of the deep space plasma and energetic particles environment. During more than 3/4 of its orbit around the Earth it is exposed to the solar wind. Being an unmagnetized body and lacking a substantial atmosphere, solar wind and solar energetic particles bombard the Moon's surface, interacting with the lunar regolith and the tenuous lunar exosphere. Energetic particles arriving at the Moon's surface can be absorbed, or scattered, or can remove another particle from the lunar regolith by sputtering or desorption. A similar phenomenon occurs also with the galactic cosmic rays, which have fluxes and energy spectra representative of interplanetary space. During the remaining part of its orbit the Moon crosses the tail of the terrestrial magnetosphere. It then provides the opportunity to study in-situ the terrestrial magnetotail plasma environment as well as atmospheric escape from the Earth's ionosphere, in the form of heavy ions accelerated and streaming downtail. The lunar environment is thus a unique natural laboratory for analysing the interaction of the solar wind, the cosmic rays and the Earth's magnetosphere with the surface, the immediate subsurface, and the surface-bounded exosphere of an unmagnetized planetary body. This article is part of a discussion meeting issue ‘Astronomy from the Moon: the next decades (part 2)’.

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Section: The Lunar Orbital Platform - Gatewaymentioning

confidence: 99%

High-energy particle observations from the Moon

Dandouras,

Roussos

2024

Phil. Trans. R. Soc. A.

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“…With a peak-to-peak noise of ~5 nT in time series found in lab and field tests, the PNI RM3100 magnetometer was chosen for the rover prototype. This sensor also has heritage from the PNI MicroMag3 sensors used in the Radio Aurora Explorer I and II Missions [3] and has been selected for the NEMISIS magnetometer package mounted on the HERMES payload that will be launched with Gateway in 2024. [1] The rover chassis has an arrangement of 27 magnetometers in a 3-dimensional grid, which allows it to infer the multiple magnetic sources on the rover body and deduce the ambient magnetic field.…”

Section: Sensor Arraymentioning

confidence: 99%

Rover Concept for Exploring Lunar and Martian Crustal Magnetic Fields

Lihn¹,

2022

Preprint

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“…The desire for high-fidelity magnetic field data with limited boom length has recently led to the development of a variety of new approaches for the mitigation of local magnetic interference. These new techniques range from unique magnetometer configurations -such as the DAGR instrument on the Dellingr cube satellite (Clagett et al, 2017) and the NEMISIS instrument on the Lunar Gateway HERMES suite (Burt et al, 2022;Paterson et al, 2023) -to the development of 55 new algorithms for interference identification and removal (Bowen et al, 2020;Constantinescu et al, 2020;Finley, Bowen, et al, 2023;Finley, Broadfoot, et al, 2023;Hoffmann & Moldwin, 2022;Imajo et al, 2021;Sen Gupta & Miles, 2023). The performance of the interference mitigation offered by these techniques, however, is often difficult to rigorously quantify due to the unavailability of ground-truth data from in-situ measurements.…”

Section: Introductionmentioning

confidence: 99%

Enabling In-Situ Magnetic Interference Mitigation Algorithm Validation via a Laboratory-Generated Dataset

Finley,

Flores,

Morris

et al. 2024

Preprint

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Abstract. Magnetometer measurements are one of the critical components necessary to improve our understanding of the intricate physical processes coupling mass, momentum, and energy within near-Earth space and throughout our solar system. However, these measurements are often contaminated by stray magnetic fields from the spacecraft hosting the magnetic field sensors, and the data often requires the application of interference mitigation algorithms prior to scientific use. Rigorous numerical validation of these techniques can be challenging when they are applied to in-situ spaceflight data, as a ground truth for the local magnetic field is often unavailable. This manuscript introduces and details the generation of an open-source dataset designed to facilitate the assessment of interference mitigation techniques for magnetic field data collected during spaceflight missions. The dataset contains over 100 hours of magnetic field data comprising mixtures of near-DC trends, physically-synthesized interference, and pseudo-geophysical phenomena. These constituent source signals have been independently captured by four synchronized magnetometers sampling at high cadence and combined into 30-minute intervals of data representative of events and interference seen in historic missions. The physical location of the four magnetometers relative to the interference sources enables researchers to test their interference mitigation algorithms with various magnetometer suite configurations, and the dataset also provides a ground truth for the underlying interference signals, enabling rigorous quantification of the results of past, present, and future interference mitigation efforts.

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Heliophysics Environmental & Radiation Measurement Experiment Suite (HERMES): A Small External Payload for Gateway with Big Challenges

Cited by 5 publications

References 0 publications

High-energy particle observations from the Moon

High-energy particle observations from the Moon

Rover Concept for Exploring Lunar and Martian Crustal Magnetic Fields

Enabling In-Situ Magnetic Interference Mitigation Algorithm Validation via a Laboratory-Generated Dataset

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