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Swift-XRT spectra of GRB 250903A — Source 1

Last updated at 2025-09-04 at 11:39:22 UTC

About these products.

Time-averaged spectrum (T0 + 12742 to 24836 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+16608 s

N_H (Galactic)	4.68 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.08 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.95 (+0.73, -0.21)
Flux (0.3-10 keV) (Observed)	1.4 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.4 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.42 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.59 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	52.18 (53)
Spectrum exposure	2.4 ks