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Swift-XRT spectra of GRB 250903A — Source 4

Last updated at 2025-09-04 at 11:38:35 UTC

About these products.

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

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of GRB 250903A - source 4

PC mode. Mean photon arrival: T0+20497 s

N_H (Galactic)	4.35 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+7.37 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.1 (+2.4, -1.2)
Flux (0.3-10 keV) (Observed)	1.7 (+2.6, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.8 (+3.7, -1.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.27 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.58 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	3.84 (2)
Spectrum exposure	2.4 ks