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Sun-as-a-star Spectroscopic Observations of the Line-of-sight Velocity of a Solar Eruption on 2021 October 28

  • Authors: Yu Xu, 昱 徐, Hui Tian, 晖 田, Zhenyong Hou, 振永 侯, Zihao Yang, 子浩 杨, Yuhang Gao, 宇航 高, Xianyong Bai, 先勇 白

Yu Xu et al 2022 The Astrophysical Journal 931 .

  • Provider: AAS Journals

Caption: Figure 1.

(a) The relative flux in 1–8 Å from GOES. The red vertical dashed lines indicate the flare’s onset and peak at 15:24 UT and 15:32 UT, respectively. The blue line shows the quiescent level of X-ray flux. (b) The AIA 304 Å image before the flare’s onset. The green arrow shows the location of the first filament.

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