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Swift-XRT spectra of GRB 250831A — Source 4

Last updated at 2025-08-31 at 14:21:01 UTC

About these products.

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

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 250831A - source 4

PC mode. Mean photon arrival: T0+4041 s

N_H (Galactic)	1.46 × 10²⁰ cm^-2
N_H (intrinsic)	1.0 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.18 (+0.23, -0.22)
Flux (0.3-10 keV) (Observed)	1.65 (+0.21, -0.18) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.19 (+0.23, -0.20) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.13 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	192.50 (219)
Spectrum exposure	1.6 ks