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Swift-XRT spectra of GRB 250831A — Source 2

Last updated at 2025-08-31 at 14:21:14 UTC

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Time-averaged spectrum (T0 + 3160 to 8853 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of GRB 250831A - source 2

PC mode. Mean photon arrival: T0+4115 s

NH (Galactic)1.46 × 1020 cm-2
NH (intrinsic)8.6 (+11.4, -8.5) × 1020 cm-2
z of absorber0
Photon index2.5 (+0.5, -0.5)
Flux (0.3-10 keV)
(Observed)
2.8 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.1 (+1.0, -0.9) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.72 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.92 × 10-11 erg cm-2 ct-1
W-stat
What's this?(dof)
72.56 (83)
Spectrum exposure1.6 ks