HiRISE - High-Resolution Imaging and Spectroscopy Explorer - Ultrahigh resolution, interferometric and external occulting coronagraphic science - INSU - Institut national des sciences de l'Univers Access content directly
Journal Articles Experimental Astronomy Year : 2022

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

1 Solar Physics and Space Plasma Research Centre
2 ELTE - Eötvös Loránd University
3 HSPF - Hungarian Solar Physics Foundation
5 RAL - STFC Rutherford Appleton Laboratory
6 ARC - Astrophysics Research Centre [Belfast]
7 CPHT - Centre de Physique Théorique [Palaiseau]
8 Università degli Studi di Roma Tor Vergata [Roma, Italia] = University of Rome Tor Vergata [Rome, Italy] = Université de Rome Tor Vergata [Rome, Italie]
9 LPI RAS - P. N. Lebedev Physical Institute of the Russian Academy of Sciences [Moscow]
10 BIRA-IASB - Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique
11 Georg-August-University = Georg-August-Universität Göttingen
12 AGO - Département d'astrophysique, Géophysique et Océanographie
13 IRM - Institut Royal Météorologique de Belgique [Bruxelles] - Royal Meteorological Institute of Belgium
14 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace
15 IRAP - Institut de recherche en astrophysique et planétologie
16 LUAN - Laboratoire Universitaire d'Astrophysique de Nice
17 MPS - Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research
18 Aberystwyth University
19 SUPA School of Physics and Astronomy [Glasgow]
20 MSSL - Mullard Space Science Laboratory
22 IAC - Instituto de Astrofisica de Canarias
23 CSL - Centre Spatial de Liège
24 PMOD/WRC - Physikalisch-Meteorologisches Observatorium Davos/World Radiation Center
25 OBSPM - Observatoire de Paris - Site de Meudon
26 NKUA - National and Kapodistrian University of Athens
27 University of Warwick [Coventry]
28 University of Hull [United Kingdom]
29 Dipartimento di Fisica e Astronomia [Catania]
30 CAU - Christian-Albrechts-Universität zu Kiel = Christian-Albrechts University of Kiel = Université Christian-Albrechts de Kiel
Luc Damé
  • Function : Author
  • PersonId : 951213
Mustapha Meftah
H. Morgan
  • Function : Author
B. Schmieder


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 spectroimaging, 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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Dates and versions

insu-03599110 , version 1 (06-03-2022)
insu-03599110 , version 2 (17-03-2023)





Robertus Erdélyi, Luc Damé, Andrzej Fludra, Mihalis Mathioudakis, T. Amari, et al.. HiRISE - High-Resolution Imaging and Spectroscopy Explorer - Ultrahigh resolution, interferometric and external occulting coronagraphic science. Experimental Astronomy, 2022, 54, pp.227-256. ⟨10.1007/s10686-022-09831-2⟩. ⟨insu-03599110v2⟩
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