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The Formation Rate and Luminosity Function of Fast X-Ray Transients from Einstein Probe

  • Authors: Yizhou Guo, Houdun Zeng, Junjie Wei, Hao Zhou, Zhiping Jin, Xuefeng Wu, Daming Wei

Yizhou Guo et al 2025 The Astrophysical Journal Letters 995 .

  • Provider: AAS Journals

Caption: Figure 1.

The X-ray luminosity versus redshift of 31 FXTs. The solid (black) curve shows the truncation boundaries assuming a limiting X-ray flux of Flimit = 4.5 × 10−11 erg cm−2 s−1 with a fixed photon index ΓWXT = 1.59. The associated set Mi is shown in the red rectangle, and Ni is shown in the blue rectangle.

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