Results 111 to 120 of about 16,482 (212)

Direct Evidence of the Hybrid Nature of Extreme-ultraviolet Waves and the Reflection of the Fast-mode Wave

The Astrophysical Journal
We performed an analysis of the extreme-ultraviolet (EUV) wave event on 2022 March 31. The event originated from active region (AR) 12975 located at N13W52 in the field of view of the Atmospheric imaging Assembly (AIA) and exactly at the west limb viewed
Ramesh Chandra, P. F. Chen, Pooja Devi
doaj   +1 more source

Solar Energetic Particle Acceleration in Refracting Coronal Shock Waves

The Astrophysical Journal, 2004
Gradual solar energetic particle (SEP) events are known to be correlated with coronal mass ejections (CMEs) and soft X-ray flares. The current paradigm of particle acceleration in these events attributes it to CME-driven shock waves in the solar corona and in interplanetary space.
Rami Vainio, Josef I. Khan
openaire   +1 more source

Collisional damping of surface waves in the solar corona [PDF]

The damping of surface waves by viscosity and heat conduction is evaluated. For the solar corona, it is found that surface waves dissipate efficiently only if their periods are shorter than a few tens of seconds and only if the background magnetic field ...
Gordon, B. E., Hollweg, J. V.
core   +1 more source

Large-scale Bright Fronts in the Solar Corona: A Review of "EIT waves"

, 2010
``EIT waves" are large-scale coronal bright fronts (CBFs) that were first observed in 195 \AA\ images obtained using the Extreme-ultraviolet Imaging Telescope (EIT) onboard the \emph{Solar and Heliospheric Observatory (SOHO)}. Commonly called ``EIT waves"
A. Asai, A. Klassen, A. Warmuth, A. Warmuth, A. Warmuth, A. Warmuth, A. Warmuth, A. Warmuth, A.G. Emslie, A.M. Veronig, A.M. Veronig, A.M. Veronig, A.N. Zhukov, A.N. Zhukov, B. Vršnak, B. Vršnak, B.J. Thompson, B.J. Thompson, B.J. Thompson, B.J. Thompson, B.N. Handy, C. Delannée, C. Delannée, C. Delannée, C. Delannée, C. Delannée, D. Berghmans, D. Moses, D. Tripathi, D.A. Biesecker, D.M. Long, David M. Long, E. Priest, E.W. Cliver, E.W. Cliver, G. Mann, G.D.R. Attrill, G.D.R. Attrill, G.D.R. Attrill, G.D.R. Attrill, G.E. Brueckner, G.E. Moreton, H. Wang, H.R. Gilbert, H.R. Gilbert, H.S. Hudson, I. Ballai, I.W. Kienreich, J.-P. Delaboudinière, J.-P. Wuelser, J.A. Roberts, J.I. Khan, J.L. Culhane, J.W. Brosius, K. Kai, K.S. Balasubramaniam, L. Golub, L. Ofman, L.I. Sedov, L.K. Harra, M.J. Wills-Davey, M.J. Wills-Davey, M.J. Wills-Davey, N. Crooker, N. Gopalswamy, O. Cohen, O. Podladchikova, P. Romano, P.C. Liewer, P.F. Chen, P.F. Chen, P.F. Chen, P.F. Chen, P.F. Chen, Peter T. Gallagher, R.A. Harrison, S. Eto, S. Ma, S. Patsourakos, S. Patsourakos, S. Pinter, S.M. White, S.T. Wu, T.J. Okamoto, T.S. Bastian, V. Domingo, V.V. Grechnev, Y. Uchida, Y.-M. Wang   +88 more
core   +1 more source

Study on the Responses in the Transition Region of Coronal Extreme-ultraviolet Waves

The Astrophysical Journal
Coronal extreme-ultraviolet (EUV) waves are globally propagating disturbances in the solar atmosphere. The existence of coronal EUV waves was predicted by chromospheric Moreton–Ramsey waves.
Xiaoqian Wang, Ruisheng Zheng, Yihan Liu, Xuechao Zhang, Liang Zhang, Jun Li, Yao Chen   +6 more
doaj   +1 more source

Modeling the Excitation, Propagation, and Damping of Quasiperiodic Fast Magnetosonic Waves in Realistic Coronal Active Region Magnetic Field Structures

The Astrophysical Journal
Quasiperiodic fast propagating (QFP) magnetosonic waves have been discovered in the solar corona in the extreme ultraviolet (EUV) since the launch of the Solar Dynamics Observatory (SDO) spacecraft more than a decade ago.
Leon Ofman, Tongjiang Wang, Xudong Sun, Meng Jin   +3 more
doaj   +1 more source

Measuring the Coronal Magnetic Field with 2D Coronal Seismology: A Forward-modeling Validation

The Astrophysical Journal Supplement Series
In recent years, a two-dimensional (2D) coronal seismology technique applied to spectral-imaging data from the Coronal Multi-channel Polarimeter (CoMP) and Upgraded Coronal Multi-channel Polarimeter (UCoMP) has enabled routine measurement of the global ...
Zihao Yang, Matthias Rempel, Sarah Gibson, Giuliana de Toma   +3 more
doaj   +1 more source

Observational evidence of resonantly damped propagating kink waves in the solar corona

, 2010
In this Letter we establish clear evidence for the resonant absorption damping mechanism by analyzing observational data from the novel Coronal Multi-Channel Polarimeter (CoMP).
Aschwanden, Aschwanden, Aschwanden, Goossens, Landi, Pascoe, Ruderman, Terradas, Terradas, Tomczyk, Verwichte   +10 more
core   +1 more source

CORONAL JETS SIMULATED WITH THE GLOBAL ALFVÉN WAVE SOLAR MODEL

The Astrophysical Journal, 2017
ABSTRACT This paper describes a numerical modeling study of coronal jets to understand their effects on the global corona and their contribution to the solar wind. We implement jets into a well-established three-dimensional, two-temperature magnetohydrodynamic (MHD) solar corona model employing Alfvén-wave dissipation to produce a ...
J. Szente, G. Toth, W. B. Manchester IV, B. van der Holst, E. Landi, T. I. Gombosi, C. R. DeVore, S. K. Antiochos   +7 more
openaire   +1 more source

Signatures of Damping Nonlinear Oscillations by Kelvin–Helmholtz Instability–induced Turbulence in Synthetic Observations

The Astrophysical Journal
Large-amplitude decaying kink oscillations of coronal loops are strongly influenced by nonlinear processes such as Kelvin–Helmholtz instability (KHI) and turbulence, although comprehensive theoretical understanding and observational confirmation remain ...
Sihui Zhong, Andrew Hillier, Iñigo Arregui   +2 more
doaj   +1 more source