PMO OpenIR  > 太阳活动的多波段观测研究团组
Two sets of improved approximate expressions of the gyrosynchrotron radiation
Zhou, AH; Ma, CY; Zhang, J; Wang, XD; Zhang, HQ
1998
Source PublicationSOLAR PHYSICS
ISSN0038-0938
Volume177Issue:1-2Pages:427-437
AbstractIn this paper two sets of improved approximate expressions of emissivity eta(nu)/BN, absorptivity k(nu)B/N, effective temperature T-eff, and frequency of peak brightness nu(p) of gyrosynchrotron radiation are presented respectively for the ranges from 5 to 10 and 10 to 100 of harmonic numbers s (= nu/nu(B)). The expressions are designed for the range from 20 degrees to 80 degrees of viewing angle theta, and the range 2 to 7 of electron energy spectral index delta. They are expressed by a power-law function in which the indexes are fitted by polynomial expressions of delta. Their statistical errors are, respectively, 24% and 32% for eta(nu)/BN and k(nu)B/N for 5 less than or equal to nu/nu(B) less than or equal to 10, 22% and 28% for 10 less than or equal to nu/nu(B) less than or equal to 100. Their accuracies are much better than those of linear fitting of the power-law index.
KeywordHard X-ray Solar-flares Limb Flare Electrons Field
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordHARD X-RAY ; SOLAR-FLARES ; LIMB FLARE ; ELECTRONS ; FIELD
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000072818400037
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8351
Collection太阳活动的多波段观测研究团组
AffiliationAcad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Zhou, AH,Ma, CY,Zhang, J,et al. Two sets of improved approximate expressions of the gyrosynchrotron radiation[J]. SOLAR PHYSICS,1998,177(1-2):427-437.
APA Zhou, AH,Ma, CY,Zhang, J,Wang, XD,&Zhang, HQ.(1998).Two sets of improved approximate expressions of the gyrosynchrotron radiation.SOLAR PHYSICS,177(1-2),427-437.
MLA Zhou, AH,et al."Two sets of improved approximate expressions of the gyrosynchrotron radiation".SOLAR PHYSICS 177.1-2(1998):427-437.
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