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Swift-XRT spectra of GRB 250903A — Source 1

Last updated at 2025-09-08 at 03:09:36 UTC

xrtpipeline was called using the Swift 6.35.2 software

About these products.

Time-averaged spectrum (T0 + 12742 to 344077 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 250903A - source 1

PC mode. Mean photon arrival: T0+29068 s

N_H (Galactic)	4.68 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+8.38 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.1 (+0.5, -0.3)
Flux (0.3-10 keV) (Observed)	5.1 (+1.4, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.7 (+1.4, -1.5) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.26 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.69 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	54.86 (56)
Spectrum exposure	6.3 ks