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X-ray quasi-periodic pulsations in solar flares as magnetohydrodynamic oscillations
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UNSPECIFIED (2005) X-ray quasi-periodic pulsations in solar flares as magnetohydrodynamic oscillations. ASTRONOMY & ASTROPHYSICS, 440 (2). L59-L62. doi:10.1051/0004-6361:200500169 ISSN 0004-6361.
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Official URL: http://dx.doi.org/10.1051/0004-6361:200500169
Abstract
We report the first observation at high spatial resolution of long-period quasi-periodic pulsations (QPP) of X-ray radiation during solar flares, made possible with the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI), supported by complementary data at other wavelengths from space-based and ground-based telescopes. Evidence for the presence ported of a transequatorial loop possibly responsible for the detected periodicity connected with its kink mode is found. Our findings suggest that QPP can be interpreted as a periodic pumping of in a compact flaring electrons modulated by oscillations in loop, a magnetically linked and larger loop acting as a long-period magnetohydrodynamic resonator.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QB Astronomy | ||||
Journal or Publication Title: | ASTRONOMY & ASTROPHYSICS | ||||
Publisher: | EDP SCIENCES S A | ||||
ISSN: | 0004-6361 | ||||
Official Date: | September 2005 | ||||
Dates: |
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Volume: | 440 | ||||
Number: | 2 | ||||
Number of Pages: | 4 | ||||
Page Range: | L59-L62 | ||||
DOI: | 10.1051/0004-6361:200500169 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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