Results 61 to 70 of about 1,264 (121)

Automatic detection of limb prominences in 304 A EUV images [PDF]

, 2009
A new algorithm for automatic detection of prominences on the solar limb in 304 A EUV images is presented, and results of its application to SOHO/EIT data discussed.
C. Cortes, C. Foullon, D.H. Mackay, E. Robbrecht, F. Auchère, G. Fu, H.R. Gilbert, I.F. Scholl, J. Aboudarham, M. Aizerman, M. Shimojo, M.J. Aschwanden, N. Cristianini, N. Fuller, N. Gopalswamy, N. Labrosse, P. Heinzel, P.N. Bernasconi, S. Dalla, S. Marshall, S. Patsourakos, U. Anzer, V.V. Zharkova   +22 more
core   +2 more sources

Electron acceleration sites in a large-scale coronal structure [PDF]

, 1997
Radio observations and interplanetary particle measurements have shown that even in the absence of conspicuous violent processes in the low atmosphere (such as Hα flares) electrons are accelerated in the corona, most likely at higher altitudes than ...
Aurass, H., Klein, K.-L., Kálmán, Béla, Soru-Escaut, I.   +3 more
core  

Features of correlation curves of the Siberian Radioheliograph

Solar-Terrestrial Physics
Correlation curves of the multi-frequency Siberian Radioheliograph (SRH) provide a sensitive indication and demonstrative representation of monitoring the microwave life of the active Sun.
Uralov Arkadiy, Lesovoi Sergey, Grechnev Victor, Globa Mariia   +3 more
doaj   +1 more source

Space storm measurements of the July 2005 solar extreme events from the low corona to the Earth

, 2010
The Athens Neutron Monitor Data Processing (ANMODAP) Center recorded an unusual Forbush decrease with a sharp enhancement of cosmic ray intensity right after the main phase of the Forbush decrease on 16 July 2005, followed by a second decrease within ...
A. Hillaris, A. Papaioannou, Bastian, Bougeret, C. Caroubalos, Caroubalos, E. Mitsakou, H. Mavromichalaki, Kerdraon, Kontogeorgos, Kontogeorgos, Loewe, Mavromichalaki, Mavromichalaki, Miroshnichenko, P. Preka-Papadema, Papaioannou, X. Moussas, Yashiro   +18 more
core   +1 more source

Electron acceleration and transport in the 2023-03-06 solar flare

Frontiers in Astronomy and Space Sciences
We investigated in detail the M5.8 class solar flare that occurred on 2023-03-06. This flare was one of the first strong flares observed by the Siberian Radioheliograph in the microwave range and the Advanced Space-based Solar Observatory in the X-ray ...
Alexey Kuznetsov, Alexey Kuznetsov, Zhao Wu, Zhao Wu, Sergey Anfinogentov, Yang Su, Yao Chen, Yao Chen, Yao Chen   +8 more
doaj   +1 more source

Do solar decimetric spikes originate in coronal X-ray sources?

, 2009
In the standard solar flare scenario, a large number of particles are accelerated in the corona. Nonthermal electrons emit both X-rays and radio waves. Thus, correlated signatures of the acceleration process are predicted at both wavelengths, coinciding ...
A. O. Benz, Aschwanden, Battaglia, Benz, Benz, Benz, Bykov, Fleishman, Frost, Gallagher, Grigis, Grigis, Guedel, Guedel, Hill, Hudson, Kerdraon, Khan, Krucker, Krucker, Krucker, Lin, M. Battaglia, Masuda, Melrose, Messmer, Parks, Slottje, Sui, Tajima, Tomczak, Zlobec   +31 more
core   +1 more source

Synoptic study of the corona at meter wavelength [PDF]

The Mark III Nancay Radioheliograph is used to observe the Sun at 169 MHz with a time resolution of 25 East-West and North-South images per second. When the brightness distribution of the Sun is stable during the eight hours of daily observation, a two ...
Alissandrakis, C. E., Lantos, P.
core   +1 more source

Multiwavelength Observations of an Eruptive Flare: Evidence for Blast Waves and Break-out

, 2013
Images of an east-limb flare on 3 November 2010 taken in the 131 \AA\ channel of the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory provide a convincing example of a long current sheet below an erupting plasmoid, as predicted by the ...
Innes, D. E., Kumar, Pankaj
core   +1 more source

Interferometric Imaging, and Beam-Formed Study of a Moving Type-IV Radio Burst with LOFAR. [PDF]

Sol Phys, 2022
Liu H, Zucca P, Cho KS, Kumari A, Zhang P, Magdalenić J, Kim RS, Kim S, Kang J.   +8 more
europepmc   +1 more source

Observations of Low Frequency Solar Radio Bursts from the Rosse Solar-Terrestrial Observatory

, 2012
The Rosse Solar-Terrestrial Observatory (RSTO; www.rosseobservatory.ie) was established at Birr Castle, Co. Offaly, Ireland (53 05'38.9", 7 55'12.7") in 2010 to study solar radio bursts and the response of the Earth's ionosphere and geomagnetic field. To
A. Kontogeorgos, A.O. Benz, A.O. Benz, A.O. Benz, C. Monstein, D.B. Melrose, D.J. McLean, D.J. McLean, E. P. Carley, G. Dumas, G. Newkirk Jr., G.A. Dulk, G.D. Holman, G.J. Nelson, H.V. Cane, J. McCauley, K.V. Sheridan, M. Hoskin, M. Vos de, M.A. Cliverd, M.B. Cohen, O. White, P. Messmer, P. T. Gallagher, P. Zucca, R. T. J. McAteer, S.F. Smerd, T. Takakura   +27 more
core   +1 more source