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Statistics of Solar Filament Mass Based on CHASE Sun-as-a-star Spectroscopic Observations

  • Authors: T. Y. Xie, Z. H. Zhao, X. Cheng, Y. H. Chen, Z. Zheng, Q. Hao, C. Li, M. D. Ding

T. Y. Xie et al 2026 The Astrophysical Journal Letters 1008 .

  • Provider: AAS Journals

Caption: Figure 1.

Filament identification workflow. (A) Full-disk Hα line-center image observed by CHASE at 00:30 UT on 2024 February 13. The cyan rectangle marks the zoomed region shown in panels (B) and (C). (B) Hα line-center image of a representative filament. (C) Corresponding U-Net segmentation result, with the identified filament region shown in white.

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