Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Altyntsev, Alexander"'
Autor:
Alissandrakis, Costas E., Fleishman, Gregory D., Fedenev, Viktor V., White, Stephen M., Altyntsev, Alexander T.
We report for the first time the detection of thermal free-free emission from post-flare loops at 34GHz in images from the Nobeyama Radioheliograph (NoRH). We studied 8 loops, 7 of which were from regions with extremely strong coronal magnetic field
Externí odkaz:
http://arxiv.org/abs/2406.14638
Autor:
Sych, Robert, Altyntsev, Alexander
We present the first observations of spatially resolved oscillation sources obtained with the Siberian Radioheliograph (SRH) at 3-6 GHz. We have found significant flux oscillations with periods of about 3, 5 and 13 minutes emitted from AR12833. The 3
Externí odkaz:
http://arxiv.org/abs/2210.02044
Autor:
Altyntsev, Alexander T., Meshalkina, Nataliia S., Lysenko, Alexandra L., Fleishman, Gregory D.
Particle acceleration in solar flares remains an outstanding problem in solar physics. It is yet unclear which of the acceleration mechanisms dominates and how exactly is the excessive magnetic energy transferred to the nonthermal and other forms of
Externí odkaz:
http://arxiv.org/abs/1909.03593
Akademický článek
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Autor:
Lysenko, Alexandra L., Altyntsev, Alexander T., Meshalkina, Natalia S., Zhdanov, Dmitriy, Fleishman, Gregory D.
Solar flares often happen after a preflare / preheating phase, which is almost or entirely thermal. In contrast, there are the so-called early impulsive flares that do not show a (significant) preflare heating but instead often show the Neupert effec
Externí odkaz:
http://arxiv.org/abs/1802.09288
Autor:
Fleishman, Gregory D., Pal'shin, Valentin D., Meshalkina, Natalia, Lysenko, Alexandra L., Kashapova, Larisa K., Altyntsev, Alexander T.
Recently, a number of peculiar flares have been reported, which demonstrate significant non-thermal particle signatures with a low, if any, thermal emission, that implies close association of the observed emission with the primary energy release/elec
Externí odkaz:
http://arxiv.org/abs/1603.07273
Relativistic antiparticles can be created in high-energy nuclear interactions; thus, detection of antiparticles in an astrophysical source can tell us something remarkable about the underlying high-energy processes and nuclear interactions. However,
Externí odkaz:
http://arxiv.org/abs/1308.6355
In some flares the thermal component appears much earlier than the nonthermal component in X-ray range. Using sensitive microwave observations we revisit this finding made by Battaglia et al. (2009) based on RHESSI data analysis. We have found that n
Externí odkaz:
http://arxiv.org/abs/1209.0728
Akademický článek
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Akademický článek
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