Composite disk-integrated Ca II K emission (EM) index of the Sun (1907-2016)

Name: Composite disk-integrated Ca II K emission (EM) index of the Sun (1907-2016)
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下载链接：

https://doi.org/10.7910/DVN/VF5BMO

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资源简介：

Monthly disk-integrated Ca II K emission (EM) index derived from Kodaikanal (8-bit digitization project), NSO/Sacramento Peak and SOLIS/ISS observations (1907- June 2016).

创建时间：

2016-11-28