A chromospheric conundrum?
收藏Virginia Open Data2026-05-02 收录
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https://data.zh-cn.virginia.gov/dataset/a-chromospheric-conundrum
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We examine spectra of the Ca II H line, obtained under good seeing conditions with the VTT Echelle Spectrograph in 2007 June, and higher resolution data of the Ca II λ8542 line...
