Bibliographic Details
| Title: |
The X-ray luminosity function of short gamma-ray bursts. |
| Authors: |
Liu, Zhi-Ying1 (AUTHOR), Zhang, Fu-Wen1,2 (AUTHOR) fwzhang@pmo.ac.cn, Zhu, Si-Yuan1 (AUTHOR) |
| Source: |
Astrophysics & Space Science. Apr2021, Vol. 366 Issue 4, p1-7. 7p. |
| Subjects: |
Stellar luminosity function, Luminosity, Gamma ray bursts, X-rays |
| Abstract: |
We present for the first time the X-ray luminosity function of short gamma-ray bursts (sGRBs) estimated from 22 Fermi sGRBs. We find that the cumulative distribution of X-ray emission at rest frame 200 s is well described by a broken power law function, which is ϕ (L X , 0) ∝ L X , 0 − 0.20 ± 0.04 for dim bursts and ϕ (L X , 0) ∝ L X , 0 − 1.05 ± 0.11 for bright bursts, with the break luminosity is 2.57 × 10 46 erg s − 1 , where the cosmological evolution of luminosity is taken into account. We also find that the early X-ray luminosity of sGRBs is correlated with the isotropic energy/luminosity of prompt emission. These results are need to confirm with large observed data of sGRBs. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
