Fig. 1.
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Light curves of MAXI J1957+032 from NICER (left panel, 0.5–10 keV), and EP (right panel, 0.5–10 keV) during its 2022 and 2025 outbursts, respectively. The vertical axes display the total count rate (source plus background) in units of counts per second on a logarithmic scale. In the right panel, the shaded rectangles mark the observational intervals of NICER (blue), NuSTAR (red), and Insight-HXMT (green). The dashed horizontal line indicates the background level for the EP observations.
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