PMO OpenIR  > 太阳活动的多波段观测研究团组
The Relationship Between Solar Radio and Hard X-ray Emission
White, S. M.1,5; Benz, A. O.2; Christe, S.3; Farnik, F.4; Kundu, M. R.5; Mann, G.6; Ning, Z.7; Raulin, J. -P.8; Silva-Valio, A. V. R.8; Saint-Hilaire, P.9; Vilmer, N.10; Warmuth, A.6
2011-09-01
Source PublicationSPACE SCIENCE REVIEWS
Volume159Issue:1-4Pages:225-261
AbstractThis review discusses the complementary relationship between radio and hard Xray observations of the Sun using primarily results from the era of the Reuven Ramaty High Energy Solar Spectroscopic Imager satellite. A primary focus of joint radio and hard X-ray studies of solar flares uses observations of nonthermal gyrosynchrotron emission at radio wavelengths and bremsstrahlung hard X-rays to study the properties of electrons accelerated in the main flare site, since it is well established that these two emissions show very similar temporal behavior. A quantitative prescription is given for comparing the electron energy distributions derived separately from the two wavelength ranges: this is an important application with the potential for measuring the magnetic field strength in the flaring region, and reveals significant differences between the electrons in different energy ranges. Examples of the use of simultaneous data from the two wavelength ranges to derive physical conditions are then discussed, including the case of microflares, and the comparison of images at radio and hard X-ray wavelengths is presented. There have been puzzling results obtained from observations of solar flares at millimeter and submillimeter wavelengths, and the comparison of these results with corresponding hard X-ray data is presented. Finally, the review discusses the association of hard X-ray releases with radio emission at decimeter and meter wavelengths, which is dominated by plasma emission (at lower frequencies) and electron cyclotron maser emission (at higher frequencies), both coherent emission mechanisms that require small numbers of energetic electrons. These comparisons show broad general associations but detailed correspondence remains more elusive.
KeywordSun: Radio Radiation Sun: X-rays Sun: Flares Sun: Energetic Particles
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11214-010-9708-1
WOS KeywordCORONAL MASS EJECTION ; 03 NOVEMBER 2003 ; GAMMA-RAY ; GYROSYNCHROTRON EMISSION ; ELECTRON ACCELERATION ; MICROWAVE OBSERVATIONS ; PARTICLE-ACCELERATION ; NONTHERMAL ELECTRONS ; SYNCHROTRON EMISSION ; RHESSI MICROFLARES
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000295738400006
Citation statistics
Cited Times:68[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15984
Collection太阳活动的多波段观测研究团组
Affiliation1.AFRL, Space Vehicles Directorate, Albuquerque, NM 87123 USA
2.ETH, Inst Astron, CH-8093 Zurich, Switzerland
3.NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
4.Acad Sci Czech Republic, Inst Astron, CS-25165 Ondrejov, Czech Republic
5.Univ Maryland, Dept Astron, College Pk, MD 20742 USA
6.Astrophys Inst Potsdam, D-14482 Potsdam, Germany
7.Purple Mt Observ, Nanjing 210008, Peoples R China
8.Ctr Radio Astron & Astrofis Mackenzie, BR-01302907 Sao Paulo, Brazil
9.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
10.Observ Paris, LESIA CNRS UMR 8109, F-92190 Meudon, France
Recommended Citation
GB/T 7714
White, S. M.,Benz, A. O.,Christe, S.,et al. The Relationship Between Solar Radio and Hard X-ray Emission[J]. SPACE SCIENCE REVIEWS,2011,159(1-4):225-261.
APA White, S. M..,Benz, A. O..,Christe, S..,Farnik, F..,Kundu, M. R..,...&Warmuth, A..(2011).The Relationship Between Solar Radio and Hard X-ray Emission.SPACE SCIENCE REVIEWS,159(1-4),225-261.
MLA White, S. M.,et al."The Relationship Between Solar Radio and Hard X-ray Emission".SPACE SCIENCE REVIEWS 159.1-4(2011):225-261.
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