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Some issues in diagnostics of solar chromospheric magnetic fields with the Mg b(2) line
Bai, Xian-Yong; Deng, Yuan-Yong; Su, Jiang-Tao; Wang, Guo-Ping; Bai, XY (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
Department空间环境部
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2014
Volume14Issue:2Pages:193-206
ISSN1674-4527
Language英语
KeywordSun: Chromospheric Magnetic Fields Spectral Profiles: Radiative Transfer
AbstractUp to now, exact measurements of chromospheric magnetic fields have not been as successful as those done in the photosphere. We are currently engaging in diagnostics of chromospheric magnetic fields with the Mg b(2) line by employing the Multi-Channel Solar Telescope at Huairou Solar Observing Station. Therefore, how to improve accuracy in the measurement is the main issue of our present study. To this end, we first study linear calibration coefficients for longitudinal and transverse components of chromospheric fields, which vary with wavelength, in the case of a weak field assumption. Then the polarization crosstalk introduced by instruments is analyzed in detail with two numerical simulation methods. Comparisons of the polarization signals between cases with and without correction are presented. The result indicates that polarization accuracy is greatly improved after crosstalk correction.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/2766
Collection空间科学部
Corresponding AuthorBai, XY (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
Recommended Citation
GB/T 7714
Bai, Xian-Yong,Deng, Yuan-Yong,Su, Jiang-Tao,et al. Some issues in diagnostics of solar chromospheric magnetic fields with the Mg b(2) line[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2014,14(2):193-206.
APA Bai, Xian-Yong,Deng, Yuan-Yong,Su, Jiang-Tao,Wang, Guo-Ping,&Bai, XY .(2014).Some issues in diagnostics of solar chromospheric magnetic fields with the Mg b(2) line.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,14(2),193-206.
MLA Bai, Xian-Yong,et al."Some issues in diagnostics of solar chromospheric magnetic fields with the Mg b(2) line".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 14.2(2014):193-206.
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