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The F-CHROMA grid of 1D RADYN flare models

Autor: Mats Carlsson, Lyndsay Fletcher, Joel Allred, Petr Heinzel, Jana Kašparová, Adam Kowalski, Mihalis Mathioudakis, Aaron Reid, Paulo J. A. Simões

Context: Solar flares are the result of the sudden release of magnetic energy in the corona. Much of this energy goes into accelerating charged particles to high velocity. These particles travel along the magnetic field and the energy is dissipated w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb4860f57ff5da0968daf9fbeb44a8b6

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Akademický článek

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Flare Induced Sunquake Signatures in the Ultraviolet as Observed by the Atmospheric Imaging Assembly

Autor: Mihalis Mathioudakis, Sean Quinn, David B. Jess, Christopher J. Nelson, Ryan O. Milligan, Aaron Reid

Publikováno v: Mathioudakis, M, Jess, D, Nelson, C, Reid, A, Milligan, R & Quinn, S 2021, ' Flare Induced Sunquake Signatures in the Ultraviolet as Observed by the Atmospheric Imaging Assembly ', The Astrophysical Journal, vol. 920, 25 . https://doi.org/10.3847/1538-4357/ac0139

Sunquakes (SQs) have been routinely observed in the solar photosphere, but it is only recently that signatures of these events have been detected in the chromosphere. We investigate whether signatures of SQs are common in Ultraviolet (UV) continua, w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6640aac4ae56db3603ded5db70580f73
https://pure.qub.ac.uk/en/publications/3deb0558-13a8-4b83-921f-27564bf19269

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Flare Induced Photospheric Velocity Diagnostics

Autor: Aaron Reid, Aaron J. Monson, Ryan O. Milligan, Mihalis Mathioudakis, David Kuridze

Publikováno v: Monson, A J, Mathioudakis, M, Reid, A, Milligan, R & Kuridze, D 2021, ' Flare Induced Photospheric Velocity Diagnostics ', The Astrophysical Journal, vol. 915, no. 1, 16 . https://doi.org/10.3847/1538-4357/abfda8

We present radiative hydrodynamic simulations of solar flares generated by the RADYN and RH codes to study the perturbations induced in photospheric Fe I lines by electron beam heating. We investigate how variations in the beam parameters result in d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f399d0908cdbb3aaa3be45a01205525
https://pure.qub.ac.uk/en/publications/658f9664-b373-42f6-9aa9-496ba4c51f41

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High-resolution spectropolarimetric observations of the temporal evolution of magnetic fields in photospheric bright points

Autor: Rebecca L. Hewitt, Marco Stangalini, David B. Jess, Mihalis Mathioudakis, Aaron Reid, Peter H. Keys, Shahin Jafarzadeh, Sergiy Shelyag, Vasco Manuel de Jorge Henriques, D. Del Moro

Publikováno v: Keys, P, Reid, A, Mathioudakis, M, Shelyag, S, de Jorge Henriques, V M, Hewitt, R, Del Moro, D, Jafarzadeh, S, Jess, D & Stangalini, M 2020, ' High-resolution spectropolarimetric observations of the temporal evolution of magnetic fields in photospheric bright points ', Astronomy and Astrophysics, vol. 633, A60 . https://doi.org/10.1051/0004-6361/201936545
Astronomy & Astrophysics

Context. Magnetic bright points (MBPs) are dynamic, small-scale magnetic elements often found with field strengths of the order of a kilogauss within intergranular lanes in the photosphere. Aims. Here we study the evolution of various physical proper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d45e7c973a06870ff6d8b5ebcee8ceb1
https://pure.qub.ac.uk/en/publications/highresolution-spectropolarimetric-observations-of-the-temporal-evolution-of-magnetic-fields-in-photospheric-bright-points(4c20812d-cb42-4020-b711-d0bdc11fec36).html

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Signatures of quiet Sun reconnection events in Ca ii, Hα, and Fe i

Autor: Juie Shetye, Aaron Reid, Sergiy Shelyag, Tony Arber, Eamon Scullion, Jerry D. Doyle

Publikováno v: Shetye, J, Shelyag, S, Reid, A L, Scullion, E, Doyle, J G & Arber, T D 2018, ' Signatures of quiet Sun reconnection events in Ca II, Hα, and Fe I ', Monthly Notices of the Royal Astronomical Society, vol. 479, no. 3, pp. 3274–3287 . https://doi.org/10.1093/mnras/sty1548

We use observations of quiet Sun (QS) regions in the Hα 6563 Å, Ca II 8542 Å, and Fe I 6302 Å lines. We observe brightenings in the wings of the Hα and Ca II combined with observations of the interacting magnetic concentrations observed in the S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ed570c82c5a641ab9ad5630d40f11a1
https://doi.org/10.1093/mnras/sty1548

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Effects of habitat quality and access management on the density of a recovering grizzly bear population

Autor: Scott E. Nielsen, Clayton T. Lamb, Michael F. Proctor, Stan Boutin, Laura Smit, Bruce N. McLellan, Garth Mowat, Aaron Reid

Publikováno v: Journal of Applied Ecology. 55:1406-1417

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3bd3b70f422b46e965c8d08a34804b00
https://doi.org/10.1111/1365-2664.13056

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Constraining the magnetic vector in the quiet solar photosphere and the impact of instrumental degradation

Autor: Peter H. Keys, C. Quintero Noda, Aaron Reid, Mihalis Mathioudakis, R. J. Campbell, Sergiy Shelyag

Publikováno v: Campbell, R J, Shelyag, S, Quintero Noda, C, Mathioudakis, M, Keys, P & Reid, A 2021, ' Constraining the magnetic vector in the quiet solar photosphere and the impact of instrumental degradation ', Astronomy and Astrophysics . https://doi.org/10.1051/0004-6361/202141421

With the advent of next generation high resolution telescopes, our understanding of how the magnetic field is organized in the internetwork (IN) photosphere is likely to advance.We aim to evaluate the extent to which we can retrieve information about

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9addf7c15ebb6e65bdc6ee5e4266231
https://doi.org/10.1051/0004-6361/202141421

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