The Plasma Universe: A Coherent Science Theme for Voyage 2050

Verscharen, Daniel; Wicks, Robert T.; Branduardi‐Raymont, G.; Erdélyi, R.; Frontera, F.; Götz, Charlotte; Guidorzi, C.; Lebouteiller, V.; Matthews, Sarah; Nicastro, F.; Rae, I. J.; Simionescu, A.; Soffitta, P.; Uttley, P.; Wimmer‐Schweingruber, R. F.

doi:10.3389/fspas.2021.651070

Cited by 4 publications

(3 citation statements)

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“…We also wish to highlight that the topic of this White Paper is strongly linked with a number of other Voyage 2050 submissions across Solar System and Astrophysical plasmas. Therefore, the lead author of this White Paper is a co-signatory of the joint statement "The Plasma Universe: A Coherent Science Theme for Voyage 2050", submitted by D. Verscharen et al on behalf of all co-signatories and subsequently published (Verscharen et al [87]).…”

Section: Voyage 2050 Synergy Across Solar and Space Plasma Disciplinesmentioning

confidence: 99%

“…These proposals are: Solar Particle Acceleration, Radiation and Kinetics (SPARK; Reid et al, this issue), Solar Cubesats for Linked Imaging Spectropolarimetry (SULIS; Scullion et al, this issue), understanding energy exchange via turbulence at electron scales in the solar wind ("A case for Electron Astrophysics"; Verscharen et al[87]) and particle energisation via interaction with shocks and discontinuities ("Particle energisation in space plasmas"; Retinò et al, this issue). Together with White Papers on continuous monitoring of the solarterrestrial interaction ("Exploring Solar-Terrestrial Interactions via Multiple Observers"; Branduardi-Raymont et al, this issue), this presents a clear push to understand energy exchange within the Solar System.…”

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confidence: 99%

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What are the fundamental modes of energy transfer and partitioning in the coupled Magnetosphere-Ionosphere system?

Rae

Forsyth²,

Dunlop

et al. 2022

Exp Astron

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The fundamental processes responsible for energy exchange between large-scale electromagnetic fields and plasma are well understood theoretically, but in practice these theories have not been tested. These processes are ubiquitous in all plasmas, especially at the interface between high and low beta plasmas in planetary magnetospheres and other magnetic environments. Although such boundaries pervade the plasma Universe, the processes responsible for the release of the stored magnetic and thermal plasma energy have not been fully identified and the importance of the relative impact of each process is unknown. Despite advances in understanding energy release through the conversion of magnetic to kinetic energy in magnetic reconnection, how the extreme pressures in the regions between stretched and more relaxed field lines in the transition region are balanced and released through adiabatic convection of plasma and fields is still a mystery. Recent theoretical advances and the predictions of large-scale instabilities must be tested. In essence, the processes responsible remain poorly understood and the problem unresolved. The aim of the White Paper submitted to ESA’s Voyage 2050 call, and the contents of this paper, is to highlight three outstanding open science questions that are of clear international interest: (i) the interplay of local and global plasma physics processes: (ii) the partitioning during energy conversion between electromagnetic and plasma energy: and (iii) what processes drive the coupling between low and high beta plasmas. We present a discussion of the new measurements and technological advances required from current state-of-the-art, and several candidate mission profiles with which these international high-priority science goals could be significantly advanced.

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Section: Voyage 2050 Synergy Across Solar and Space Plasma Disciplinesmentioning

confidence: 99%

mentioning

confidence: 99%

What are the fundamental modes of energy transfer and partitioning in the coupled Magnetosphere-Ionosphere system?

Rae

Forsyth²,

Dunlop

et al. 2022

Exp Astron

View full text Add to dashboard Cite

show abstract

“…We would like to highlight that the topic of the White Paper is strongly linked to a number of other Voyage 2050 submissions. Therefore, the lead author is a co-signatory of the joint statement "The Plasma Universe: A Coherent Science Theme for Voyage 2050", by Verscharen et al (2021). There are some additional aspects not stressed in the Cometary Plasma Science White Paper, where cometary plasma physics can have a major impact on Astronomy and Astrophysics.…”

Section: Addendummentioning

confidence: 99%

Cometary plasma science

et al. 2021

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HiRISE - High-Resolution Imaging and Spectroscopy Explorer - Ultrahigh resolution, interferometric and external occulting coronagraphic science

et al. 2022

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Recent solar physics missions have shown the definite role of waves and magnetic fields deep in the inner corona, at the chromosphere-corona interface, where dramatic and physically dominant changes occur. HiRISE (High Resolution Imaging and Spectroscopy Explorer), the ambitious new generation ultra-high resolution, interferometric, and coronagraphic, solar physics mission, proposed in response to the ESA Voyage 2050 Call, would address these issues and provide the best-ever and most complete solar observatory, capable of ultra-high spatial, spectral, and temporal resolution observations of the solar atmosphere, from the photosphere to the corona, and of new insights of the solar interior from the core to the photosphere. HiRISE, at the L1 Lagrangian point, would provide meter class FUV imaging and spectro-imaging, EUV and XUV imaging and spectroscopy, magnetic fields measurements, and ambitious and comprehensive coronagraphy by a remote external occulter (two satellites formation flying 375 m apart, with a coronagraph on a chaser satellite). This major and state-of-the-art payload would allow us to characterize temperatures, densities, and velocities in the solar upper chromosphere, transition zone, and inner corona with, in particular, 2D very high resolution multi-spectral imaging-spectroscopy, and, direct coronal magnetic field measurement, thus providing a unique set of tools to understand the structure and onset of coronal heating. HiRISE’s objectives are natural complements to the Parker Solar Probe and Solar Orbiter-type missions. We present the science case for HiRISE which will address: i) the fine structure of the chromosphere-corona interface by 2D spectroscopy in FUV at very high resolution; ii) coronal heating roots in the inner corona by ambitious externally-occulted coronagraphy; iii) resolved and global helioseismology thanks to continuity and stability of observing at the L1 Lagrange point; and iv) solar variability and space climate with, in addition, a global comprehensive view of UV variability.

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The Plasma Universe: A Coherent Science Theme for Voyage 2050

Cited by 4 publications

References 2 publications

What are the fundamental modes of energy transfer and partitioning in the coupled Magnetosphere-Ionosphere system?

What are the fundamental modes of energy transfer and partitioning in the coupled Magnetosphere-Ionosphere system?

Cometary plasma science

HiRISE - High-Resolution Imaging and Spectroscopy Explorer - Ultrahigh resolution, interferometric and external occulting coronagraphic science

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