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Swift-XRT spectra of EP250427a / GRB 250427A — Source 1

Last updated at 2025-04-27 at 14:13:25 UTC

xrtpipeline was called using the Swift 6.32 software

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Time-averaged spectrum (T0 + 22940 to 28919 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of EP250427a / GRB 250427A - source 1

PC mode. Mean photon arrival: T0+23979 s

NH (Galactic)2.87 × 1021 cm-2
NH (intrinsic)0 (+1.03 × 1021, -0) cm-2
z of absorber0
Photon index1.79 (+0.39, -0.29)
Flux (0.3-10 keV)
(Observed)
3.0 (+1.0, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.56 (+1.33, -0.78) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.25 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.11 × 10-11 erg cm-2 ct-1
W-stat
What's this?(dof)
49.88 (55)
Spectrum exposure1.7 ks