Finkbeiner Halpha composite survey HiPS
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资源简介：
D. Finkbeiner has assembled a full sky Halpha map using data from several surveys: the Wisconsin H-Alpha Mapper (WHAM), the Virginia Tech Spectral-Line Survey (VTSS), and the Southern H-Alpha Sky Survey Atlas (SHASSA). The composite map can be used to provide limits on free-free foreground emission.
创建时间：
2023-12-12
