Items where authors include "Fedun, V."
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Silva, S.S.A. orcid.org/0000-0001-5414-0197, Verth, G. orcid.org/0000-0002-9546-2368, Rempel, E.L. orcid.org/0000-0002-4971-5854 et al. (3 more authors) (2024) Magnetohydrodynamic Poynting flux vortices in the solar atmosphere and their role in concentrating energy. The Astrophysical Journal, 963 (1). 10. ISSN 0004-637X
Asiri, F., Ballai, I. orcid.org/0000-0002-3066-7653, Fedun, V. et al. (3 more authors) (2024) Slow body magnetohydrodynamic waves in solar photospheric flux tubes with density inhomogeneity. Monthly Notices of the Royal Astronomical Society, 529 (1). pp. 748-760. ISSN 0035-8711
McMurdo, M. orcid.org/0009-0001-1997-4361, Ballai, I. orcid.org/0000-0002-3066-7653, Verth, G. orcid.org/0000-0002-9546-2368 et al. (2 more authors) (2023) Phase mixing of propagating Alfvén waves in a single-fluid partially ionized solar plasma. The Astrophysical Journal, 958 (1). 81. ISSN 0004-637X
Kozak, L., Kronberg, E.A., Petrenko, B. et al. (4 more authors) (2023) Turbulent dipolarization regions in the Earth’s magnetotail: ion fluxes and magnetic field changes. Frontiers in Astronomy and Space Sciences, 10.
Albidah, A.B. orcid.org/0000-0001-7314-1347, Fedun, V. orcid.org/0000-0002-0893-7346, Aldhafeeri, A.A. orcid.org/0000-0003-2220-5042 et al. (8 more authors) (2023) The temporal and spatial evolution of magnetohydrodynamic wave modes in sunspots. The Astrophysical Journal, 954 (1). 30. ISSN 0004-637X
Cheremnykh, O., Fedorenko, A., Voitsekhovska, A. et al. (4 more authors) (2023) Atmospheric waves disturbances from the solar terminator according to the VLF radio stations data. Advances in Space Research. ISSN 0273-1177
Yuan, Y. orcid.org/0000-0002-0754-9149, de Souza e Almeida Silva, S. orcid.org/0000-0001-5414-0197, Fedun, V. orcid.org/0000-0002-0893-7346 et al. (2 more authors) (2023) Advanced Γ method for small-scale vortex detection in the solar atmosphere. The Astrophysical Journal Supplement Series, 267 (2). 35. ISSN 0067-0049
Silva, S.S.A. orcid.org/0000-0001-5414-0197, Lennard, M. orcid.org/0000-0002-1452-2577, Verth, G. orcid.org/0000-0002-9546-2368 et al. (9 more authors) (2023) Novel approach to forecasting photospheric emergence of active regions. The Astrophysical Journal Letters, 948 (2). L24. ISSN 2041-8205
Tziotziou, K. orcid.org/0000-0002-2542-7073, Scullion, E. orcid.org/0000-0001-9590-6427, Shelyag, S. orcid.org/0000-0002-6436-9347 et al. (12 more authors) (2023) Vortex motions in the solar atmosphere. Space Science Reviews, 219 (1). 1. ISSN 0038-6308
Krasnoselskikh, V. orcid.org/0000-0002-6809-6219, Tsurutani, B.T., Dudok de Wit, T. et al. (51 more authors) (2022) ICARUS: in-situ studies of the solar corona beyond Parker Solar Probe and Solar Orbiter. Experimental Astronomy, 54 (2-3). pp. 277-315. ISSN 0922-6435
Scullion, E. orcid.org/0000-0001-9590-6427, Morgan, H., Lin, H. et al. (2 more authors) (2022) SULIS: a coronal magnetism explorer for ESA’s Voyage 2050. Experimental Astronomy, 54 (2-3). pp. 317-334. ISSN 0922-6435
Skirvin, S., Verth, G., González-Avilés, J.J. et al. (7 more authors) (2022) Small-scale solar jet formation and their associated waves and instabilities. Advances in Space Research. ISSN 0273-1177
Alharbi, A., Ballai, I. orcid.org/0000-0002-3066-7653, Fedun, V. orcid.org/0000-0002-0893-7346 et al. (1 more author) (2022) Waves in weakly ionized solar plasmas. Monthly Notices of the Royal Astronomical Society, 511 (4). pp. 5274-5286. ISSN 0035-8711
Aljohani, Y., Fedun, V. orcid.org/0000-0002-0893-7346, Ballai, I. orcid.org/0000-0002-3066-7653 et al. (3 more authors) (2022) New approach for analyzing dynamical processes on the surface of photospheric vortex tubes. The Astrophysical Journal, 928 (1). 3. ISSN 0004-637X
Albidah, A.B. orcid.org/0000-0001-7314-1347, Fedun, V. orcid.org/0000-0002-0893-7346, Aldhafeeri, A.A. et al. (7 more authors) (2022) Magnetohydrodynamic wave mode identification in circular and elliptical sunspot umbrae : evidence for high-order modes. The Astrophysical Journal, 927 (2). 201. ISSN 0004-637X
Silva, S.S.A., Murabito, M., Jafarzadeh, S. et al. (4 more authors) (2022) The importance of horizontal Poynting flux in the solar photosphere. The Astrophysical Journal, 927 (2). 146. ISSN 0004-637X
Skirvin, S.J., Fedun, V. orcid.org/0000-0002-0893-7346, Silva, S.S.A. et al. (1 more author) (2022) II. The effect of axisymmetric and spatially varying equilibria and flow on MHD wave modes: cylindrical geometry. Monthly Notices of the Royal Astronomical Society, 510 (2). pp. 2689-2706. ISSN 0035-8711
Lozbin, A., Fedun, V. orcid.org/0000-0002-0893-7346 and Kryakunova, O. (2022) Complex analysis of the ionosphere variations during the geomagnetic storm at 20 January 2010 performed by Detection of Ionosphere Anomalies (DIA) software and DEMETER satellite data. Annales Geophysicae, 40 (1). pp. 55-65. ISSN 0992-7689
Stangalini, M., Verth, G., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (11 more authors) (2022) Large scale coherent magnetohydrodynamic oscillations in a sunspot. Nature Communications, 13 (1). 479.
Onishchenko, O., Fedun, V. orcid.org/0000-0002-0893-7346, Ballai, I. orcid.org/0000-0002-3066-7653 et al. (2 more authors) (2021) Generation of localised vertical streams in unstable stratified atmosphere. Fluids, 6 (12). 454. ISSN 2311-5521
Ouzounov, D., Pulinets, S., Davidenko, D. et al. (7 more authors) (2021) Transient effects in atmosphere and ionosphere preceding the 2015 M7.8 and M7.3 Gorkha–Nepal earthquakes. Frontiers in Earth Science, 9. 757358.
Silva, S.S.A., Verth, G., Rempel, E.L. et al. (3 more authors) (2021) Solar vortex tubes. II. On the origin of magnetic vortices. The Astrophysical Journal, 915 (1). 24. ISSN 0004-637X
Skirvin, S.J., Fedun, V. orcid.org/0000-0002-0893-7346 and Verth, G. (2021) I. The effect of symmetric and spatially varying equilibria and flow on MHD wave modes : slab geometry. Monthly Notices of the Royal Astronomical Society, 504 (3). pp. 4077-4092. ISSN 0035-8711
Stangalini, M., Jess, D.B., Verth, G. et al. (12 more authors) (2021) A novel approach to identify resonant MHD wave modes in solar pores and sunspot umbrae : B − ω analysis. Astronomy and Astrophysics, 649. A169. ISSN 0004-6361
Aldhafeeri, A.A., Verth, G., Brevis, W. et al. (3 more authors) (2021) Magnetohydrodynamic wave modes of solar magnetic flux tubes with an elliptical cross section. The Astrophysical Journal, 912 (1). 50. ISSN 0004-637X
Onishchenko, O., Fedun, V. orcid.org/0000-0002-0893-7346, Horton, W. et al. (4 more authors) (2021) The stationary concentrated vortex model. Climate, 9 (3). p. 39. ISSN 2225-1154
Albidah, A.B., Brevis, W., Fedun, V. et al. (5 more authors) (2021) Proper orthogonal and dynamic mode decomposition of sunspot data. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 379 (2190). 20200181. ISSN 1364-503X
Alharbi, A., Ballai, I. orcid.org/0000-0002-3066-7653, Fedun, V. orcid.org/0000-0002-0893-7346 et al. (1 more author) (2020) Slow magnetoacoustic waves in gravitationally stratified two-fluid plasmas in strongly ionized limit. Monthly Notices of the Royal Astronomical Society, 501 (2). pp. 1940-1950. ISSN 0035-8711
Kryshtal, A., Voitsekhovska, A., Cheremnykh, O. et al. (3 more authors) (2020) Generation of low-frequency kinetic waves at the footpoints of pre-flare coronal loops. Solar Physics, 295 (12). 162. ISSN 0038-0938
Tsap, Y., Fedun, V. orcid.org/0000-0002-0893-7346, Cheremnykh, O. et al. (3 more authors) (2020) On the stabilization of a twisted magnetic flux tube. The Astrophysical Journal, 901 (2).
Silva, S.S.A., Fedun, V. orcid.org/0000-0002-0893-7346, Verth, G. et al. (2 more authors) (2020) Solar vortex tubes : vortex dynamics in the solar atmosphere. Astrophysical Journal, 898 (2). 137. ISSN 0004-637X
González-Avilés, J.J., Guzmán, F.S., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (1 more author) (2020) Spicule jets in the solar atmosphere modeled with resistive MHD and thermal conduction. Astrophysical Journal, 897 (2). 153. ISSN 0004-637X
Rapoport, Y., Grimalsky, V., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (8 more authors) (2020) Model of propagation of VLF beams in the waveguide earth-ionosphere. Principles of tensor impedance method in multilayered gyrotropic waveguides. Annales Geophysicae, 38 (1). pp. 207-230. ISSN 0992-7689
Rapoport, Y., Grimalsky, V., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (8 more authors) (2020) Model of the propagation of very low-frequency beams in the Earth–ionosphere waveguide: principles of the tensor impedance method in multi-layered gyrotropic waveguides. Annales Geophysicae, 38 (1). pp. 207-230.
Rozhnoi, A., Solovieva, M., Shalimov, S. et al. (6 more authors) (2020) The effect of the August 21, 2017 total solar eclipse on the phase of VLF/LF signals. Earth and Space Science, 7 (2). ISSN 2333-5084
Rozhnoi, A., Solovieva, M., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (5 more authors) (2019) Strong influence of solar X-ray flares on low-frequency electromagnetic signals in middle latitudes. Annales Geophysicae, 37 (5). pp. 843-850. ISSN 0992-7689
Gent, F.A., Snow, B., Fedun, V. et al. (1 more author) (2019) Modelling 3D magnetic networks in a realistic solar atmosphere. Monthly Notices of the Royal Astronomical Society, 489 (1). pp. 28-35. ISSN 0035-8711
Seniuc, I.-V., Kalra, A., Lim, J.H. et al. (8 more authors) (2019) Sheffield students win US rocket competition. Astronomy & Geophysics, 60 (3). 3.36-3.37. ISSN 1366-8781
Gonzalez-Aviles, J.J., Guzman, F.S., Fedun, V. et al. (4 more authors) (2019) In situ generation of coronal Alfvén waves by jets. Monthly Notices of the Royal Astronomical Society, 484 (2). pp. 1936-1945. ISSN 0035-8711
Onishchenko, O., Fedun, V. orcid.org/0000-0002-0893-7346, Horton, W. et al. (2 more authors) (2019) Dust devils: structural features, dynamics and climate impact. Climate, 7 (1). 12. ISSN 2225-1154
Giagkiozis, I., Fedun, V. orcid.org/0000-0002-0893-7346, Scullion, E. et al. (2 more authors) (2018) Vortex flows in the solar atmoshpere: automated identification and statistical analysis. Astrophysical Journal, 869 (2). 169. ISSN 0004-637X
Shelyag, S., Litvinenko, Y.E., Fedun, V. et al. (3 more authors) (2018) Flows and magnetic field structures in reconnection regions of simulations of the solar atmosphere: Do flux pile-up models work? Astronomy and Astrophysics, 620. A159. ISSN 0004-6361
Cheremnykh, O., Fedun, V. orcid.org/0000-0002-0893-7346, Ladikov-Roev, Y. et al. (1 more author) (2018) On the stability of incompressible MHD modes in magnetic cylinder with twisted magnetic field and flow. Astrophysical Journal, 866 (2). 86. ISSN 0004-637X
Leonard, A.J., Mumford, S.J., Fedun, V. et al. (1 more author) (2018) Varying driver velocity fields in photospheric MHD wave simulations. Monthly Notices of the Royal Astronomical Society, 480 (2). pp. 2839-2845. ISSN 0035-8711
González-Avilés, J.J., Guzmán, F.S., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (4 more authors) (2018) II. Analysis of 3D plasma motions in a chromospheric jet formed due to magnetic reconnection. arXiv. (Submitted)
Onishchenko, O.G., Fedun, V. orcid.org/0000-0002-0893-7346, Smolyakov, A. et al. (3 more authors) (2018) Tornado model for a magnetised plasma. Physics of Plasmas, 25 (5). ISSN 1070-664X
Snow, B.J., Fedun, V., Gent, F.A. et al. (2 more authors) (2018) Magnetic shocks and substructures excited by torsional Alfvén wave interactions in merging expanding flux tubes. Astrophysical Journal, 857 (2). 125. ISSN 0004-637X
González-Avilés, J.J., Guzmán, F.S., Fedun, V. et al. (3 more authors) (2018) I. Jet Formation and Evolution due to 3D Magnetic Reconnection. The Astrophysical Journal, 856 (2). 176. ISSN 0004-637X
Fedun, V. orcid.org/0000-0002-0893-7346 and Srivastava, A.K. (2018) Preface: MHD wave phenomena in the solar interior and atmosphere. Advances in Space Research, 61 (2). pp. 593-594. ISSN 0273-1177
Griffiths, M.K., Fedun, V. orcid.org/0000-0002-0893-7346, Erdélyi, R. et al. (1 more author) (2018) Solar atmosphere wave dynamics generated by solar global oscillating eigenmodes. Advances in Space Research, 61 (2). pp. 720-737. ISSN 0273-1177
Murawski, K., Kayshap, P., Srivastava, A.K. et al. (4 more authors) (2017) Magnetic swirls and associated fast magnetoacoustic kink waves in a solar chromospheric flux tube. Monthly Notices of the Royal Astronomical Society, 474 (1). pp. 77-87. ISSN 0035-8711
Prasad, S.K., Jess, D.B., Doorsselaere, T.V. et al. (5 more authors) (2017) The Frequency-dependent Damping of Slow Magnetoacoustic Waves in a Sunspot Umbral Atmosphere. The Astrophysical Journal, 847 (1). 5. ISSN 0004-637X
Cheremnykh, O., Fedun, V. orcid.org/0000-0002-0893-7346, Kryshtal, A. et al. (1 more author) (2017) Incompressible magnetohydrodynamic modes in the thin magnetically twisted flux tube. Astronomy & Astrophysics, 604. A62. ISSN 0004-6361
Jess, D.B., Doorsselaere, T.V., Verth, G. et al. (7 more authors) (2017) An Inside Look at Sunspot Oscillations with Higher Azimuthal Wavenumbers. The Astrophysical Journal, 842 (1). ISSN 0004-637X
Gonzalez, F.A., Badilita, A.-M., Baker, A. et al. (30 more authors) (2017) Project SunbYte: solar astronomy on a budget. Astronomy and Geophysics, 58 (2). 2.24-2.25. ISSN 1366-8781
González-Avilés, J.J., Guzmán, F.S. and Fedun, V. (2017) JET Formation in Solar Atmosphere Due to Magnetic Reconnection. The Astrophysical Journal, 836 (1). p. 24. ISSN 0004-637X
Onishchenko, O.G., Horton, W., Pokhotelov, O.A. et al. (1 more author) (2016) "Explosively growing" vortices of unstably stratified atmosphere. Journal of Geophysical Research: Atmospheres, 121 (19). 11,264-11,268. ISSN 2169-897X
Solovieva, M.S., Rozhnoi, A.A., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (1 more author) (2016) Effect of the total solar eclipse of March 20, 2015, on VLF/LF propagation. Geomagnetism and Aeronomy, 56 (3). pp. 323-330. ISSN 0016-7932
Giagkiozis, I., Goossens, M., Verth, G. et al. (2 more authors) (2016) Resonant Absorption of Axisymmetric Modes in Twisted Magnetic Flux Tubes. Astrophysical Journal, 823 (2). 71. ISSN 0004-637X
Horton, W., Miura, H., Onishchenko, O. et al. (5 more authors) (2016) Dust devil dynamics. Journal of Geophysical Research: Atmospheres, 121 (12). pp. 7197-7214. ISSN 2169-897X
Onishchenko, O.G., Pokhotelov, O.A., Horton, W. et al. (2 more authors) (2016) Response to “Comment on ‘Large-scale Alfvén vortices’” [Phys. Plasmas 23, 034703 (2016)]. Physics of Plasmas, 23 (3). 034704. ISSN 1070-664X
Williams, T., Taroyan, Y. and Fedun, V. orcid.org/0000-0002-0893-7346 (2016) The Nonlinear Evolution of a a Twist in a Magnetic Shocktube. Astrophysical Journal, 817 (2). p. 92. ISSN 0004-637X
Giagkiozis, I., Fedun, V., Erdélyi, R. et al. (1 more author) (2015) Axisymmetric Modes in Magnetic Flux Tubes with Internal and External Magnetic Twist. Astrophysical Journal, 810 (1). ISSN 0004-637X
Grant, S.D.T., Jess, D.B., Moreels, M.G. et al. (8 more authors) (2015) Wave Damping Observed in Upwardly Propagating Sausage-mode Oscillations contained within a Magnetic Pore. Astrophysical Journal, 806 (1). 132. ISSN 0004-637X
Griffiths, M.K., Griffiths, M.K., Fedun, V. et al. (2 more authors) (2015) A Fast MHD Code for Gravitationally Stratified Media using Graphical Processing Units: SMAUG. Journal of Astrophysics and Astronomy, 36 (1). pp. 197-223. ISSN 0250-6335
Jess, D.B., Morton, R.J., Verth, G. et al. (3 more authors) (2015) Multiwavelength studies of MHD waves in the solar chromosphere: An overview of recent results. Space Science Reviews. Published Online 05 Mar 2015 . ISSN 0038-6308
Mumford, S.J., Fedun, V. orcid.org/0000-0002-0893-7346 and Erdelyi, R. (2015) Generation of Magnetohydrodynamic Waves in Low Solar Atmospheric Flux Tubes by Photospheric Motions. Astrophysical Journal, 799 (1). 6. ISSN 0004-637X
Gent, F.A., Fedun, V. orcid.org/0000-0002-0893-7346 and Erdelyi, R. (2014) Magnetohydrostatic equilibrium. II. Three-dimensional multiple open magnetic flux tubes in the stratified solar atmosphere. Astrophysical Journal, 789. 42. ISSN 0004-637X
Rozhnoi, A., Shalimov, S., Solovieva, M. et al. (6 more authors) (2014) Detection of tsunami-driven phase and amplitude perturbations of subionospheric VLF signals following the 2010 Chile earthquake. Journal of Geophysical Research: Space Physics, 119 (6). pp. 5012-5019. ISSN 2169-9380
Gent, F.A., Fedun, V. orcid.org/0000-0002-0893-7346, Mumford, S.J. et al. (1 more author) (2013) Magnetohydrostatic equilibrium - I. Three-dimensional open magnetic flux tube in the stratified solar atmosphere. Monthly Notices of the Royal Astronomical Society, 435 (1). pp. 689-697. ISSN 0035-8711
Zharkov, S., Shelyag, S., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (2 more authors) (2013) Photospheric high-frequency acoustic power excess in sunspot umbra: signature of magneto-acoustic modes. Annales Geophysicae, 31 (8). pp. 1357-1364. ISSN 0992-7689
Morton, R.J., Verth, G., Fedun, V. orcid.org/0000-0002-0893-7346 et al. (2 more authors) (2013) Evidence for the photospheric excitiation of incompressible chromospheric waves. Astrophysical Journal, 768 (1). ARTN 17. ISSN 0004-637X
Srivastava, A.K., Erdelyi, R., Tripathi, D. et al. (3 more authors) (2013) Observational evidence of sausage-pinch instability in solar corona by SDO/AIA. Astrophysical Journal Letters, 765 (2). ARTN L42. ISSN 2041-8205
Vigeesh, G., Fedun, V. orcid.org/0000-0002-0893-7346, Hasan, S. S. et al. (1 more author) (2012) Three-Dimensional Simulations Of Magnetohydrodynamic Waves In Magnetized Solar Atmosphere. Astrophysical Journal, 755 (1). 18. ISSN 0004-637X
Fedun, V., Erdelyi, R. and Shelyag, S. (2009) Oscillatory response of the 3D solar atmosphere to the leakage of photospheric motion. Solar Physics, 258 (2). pp. 219-241. ISSN 0038-0938
Shelyag, S., Zharkov, S., Fedun, V. et al. (2 more authors) (2009) Acoustic wave propagation in the solar sub-photosphere with localised magnetic field concentration: effect of magnetic tension. Astronomy & Astrophysics, 501 (2). pp. 735-743. ISSN 0004-6361
Shelyag, S., Fedun, V. and Erdelyi, R. (2008) Magnetohydrodynamic code for gravitationally-stratified media. Astronomy & Astrophysics, 486 (2). pp. 655-662. ISSN 1432-0746
Fedun, V., Ruderman, M.S. and Erdelyi, R. (2008) Generation of short-lived large-amplitude magnetohydrodynamic pulses by dispersive focusing. Physical Letters A, 372 (39). pp. 6107-6110. ISSN 0375-9601
Proceedings Paper
Clear, R., Cho, Y.-H. orcid.org/0000-0001-9035-4395, Bobrov, I. et al. (1 more author) (2020) The Sheffield Space Initiative - introduction, motivation, and impact assessment. In: Bannister, N., O’Brien, A. and Kinnaird, A., (eds.) Proceedings of the 3rd Symposium on Space Educational Activities. 3rd Symposium on Space Educational Activities, 16-18 Sep 2019, Leicester, UK. University of Leicester , Leicester, UK , pp. 117-120. ISBN 9781912989096
Cho, Y.-H. orcid.org/0000-0001-9035-4395, Lim, J., Kalra, A. et al. (11 more authors) (2019) Sheffield University Nova Rocket Innovative Design Engineering (SUNRIDE). In: Lübken, F.-J., (ed.) 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research Proceedings. 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 16-20 Jun 2019, Essen, Germany. European Space Agency , Noordwijk, The Netherlands , pp. 122-127. ISBN 9789292213077
Cho, Y.-H. orcid.org/0000-0001-9035-4395, Bobrov, I., Roisin, C. et al. (3 more authors) (2019) Sheffield University solar balloon lifted telescope (SUNBYTE - BEXUS 25, HASP 2018, HASP 2019). In: Lübken, F.-J., (ed.) 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research Proceedings. 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 16-20 Jun 2019, Essen, Germany. European Space Agency , Noordwijk, The Netherlands , pp. 327-334. ISBN 9789292213077
Cho, Y.-H. orcid.org/0000-0001-9035-4395, Heung, G.S.Y., Verth, G. et al. (1 more author) (2018) Sheffield University solar balloon lifted telescope (SunbYte - BEXUS 25). In: Bacsárdi, L., (ed.) Proceedings of the 2nd Symposium on Space Educational Activities. 2nd Symposium on Space Educational Activities, 11-13 Apr 2018, Budapest, Hungary. Federated Innovation and Knowledge Centre of Budapest University of Technology and Economics , Budapest , pp. 108-112. ISBN 9789633132869