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    請使用永久網址來引用或連結此文件: https://ir.lib.ncu.edu.tw/handle/987654321/102308


    題名: Soft X-ray irradiance measured by the Solar Aspect Monitor on the Solar Dynamic Observatory Extreme ultraviolet Variability Experiment
    作者: 林映岑;Lin, C. Y.;Bailey, S. M.;Jones, A.;Woodraska, D.;Caspi, A.;Woods, T. N.;Eparvier, F. G.;Wieman, S. R.;Didkovsky, L. V.
    貢獻者: 地球科學學院太空科學與工程學系
    關鍵詞: Broadband;Contamination;Energetic particles;Experiments;Extreme ultraviolet radiation;Flares;Ionosphere;Irradiance;Mesosphere;Monitors;Nitric oxide;Observatories;Photometers;Pinhole cameras;Soft x rays;soft X‐ray;Solar activity;Solar EUV;solar irradiance;Solar observatories;Solar x rays;Spectrophotometers;Thermosphere;Ultraviolet;XUV
    日期: 2016-04-01
    上傳時間: 2026-04-23 11:06:02 (UTC+8)
    出版者: Wiley-Blackwell;Washington: Blackwell Publishing Ltd
    摘要: 摘要: The Solar Aspect Monitor (SAM) is a pinhole camera on the Extreme ultraviolet Variability Experiment (EVE) aboard the Solar Dynamics Observatory. SAM projects the solar disk onto the CCD through a metallic filter designed to allow only solar photons shortward of 7 nm to pass. Contamination from energetic particles and out‐of‐band irradiance is, however, significant in the SAM observations. We present a technique for isolating the 0.01–7 nm integrated irradiance from the SAM signal to produce the first results of broadband irradiance for the time period from May 2010 to May 2014. The results of this analysis agree with a similar data product from EVE's EUV SpectroPhotometer to within 25%. We compare our results with measurements from the Student Nitric Oxide Explorer Solar X‐ray Photometer and the Thermosphere Ionosphere Mesosphere Energetics and Dynamics Solar EUV Experiment at similar levels of solar activity. We show that the full‐disk SAM broadband results compared well to the other measurements of the 0.01–7 nm irradiance. We also explore SAM's capability toward resolving spatial contribution from regions of solar disk in irradiance and demonstrate this feature with a case study of several strong flares that erupted from active regions on 11 March 2011. Key Points Methods of removing particle contamination are proposed and analyzed Broadband soft X‐ray irradiance is derived and validated SAM is capable of resolving spatial and spectral irradiances
    出版者: Washington: Blackwell Publishing Ltd
    出版日期: 2016-04
    出處: Journal of geophysical research : Space physics (2013 - Present), 2016-04, Vol.121 (4), p.3648-3664
    資源來源: Wiley Online Library All Journals
    版權: 2016. American Geophysical Union. All Rights Reserved.
    識別號: ISSN: 2169-9380
    識別號: EISSN: 2169-9402
    識別號: DOI: 10.1002/2015JA021726
    顯示於類別:[太空科學與工程學系] 期刊論文

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