Počet záznamů: 1
Sources of Quasi-periodic Pulses in the Flare of 18 August 2012
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SYSNO ASEP 0458324 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Sources of Quasi-periodic Pulses in the Flare of 18 August 2012 Tvůrce(i) Altyntsev, A. (RU)
Meshalkina, N. (RU)
Mészárosová, Hana (ASU-R) RID, ORCID
Karlický, Marian (ASU-R) RID, ORCID
Palshin, V. (RU)
Lesovoi, S. (RU)Celkový počet autorů 6 Zdroj.dok. Solar Physics. - : Springer - ISSN 0038-0938
Roč. 291, č. 2 (2016), s. 445-463Poč.str. 19 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. NL - Nizozemsko Klíč. slova radio emission ; active regions ; oscillations Vědní obor RIV BN - Astronomie a nebeská mechanika, astrofyzika CEP GAP209/12/0103 GA ČR - Grantová agentura ČR Institucionální podpora ASU-R - RVO:67985815 UT WOS 000372878200008 EID SCOPUS 84961217878 DOI 10.1007/s11207-016-0846-9 Anotace We analyzed spatial and spectral characteristics of quasi-periodic pulses for the limb flare on 18 August 2012, using new data from a complex of spectral and imaging instruments developed by the Siberian Solar Radio Telescope team and the Wind/Konus gamma-ray spectrometer. A sequence of broadband pulses with periods of approximately ten seconds were observed in X-rays at energies between 25 keV and 300 keV, and in microwaves at frequencies from a few GHz up to 34 GHz during an interval of one minute. The 17 and 34 GHz microwave sources were at the footpoints of the small loop system, the source emitting in the 4.2 – 7.4 GHz band in the large system. The QPPs were probably generated by modulated acceleration processes in the energy-release site. We determined the plasma parameters in the radio sources by analyzing the spectra. The microwave pulses might be explained by relatively weak variations of the spectral hardness of the emitting electrons. Pracoviště Astronomický ústav Kontakt Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Rok sběru 2017
Počet záznamů: 1