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Swift-XRT spectra of GRB 260903A — Source 3

Last updated at 2026-09-10 at 10:09:27 UTC

About these products.

Time-averaged spectrum (T0 + 498368 to 554480 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 260903A

PC mode. Mean photon arrival: T0+544516 s

N_H (Galactic)	5.45 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+8, -5) × 10²¹ cm^-2
z of absorber	0
Photon index	3.9 (+3.1, -1.9)
Flux (0.3-10 keV) (Observed)	1.54 (+1.31, -0.62) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.3 (+1.00 × 10¹², -0.9) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	1.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.53 × 10^-10 erg cm^-2 ct^-1
W-stat What's this?(dof)	15.17 (15)
Spectrum exposure	3.9 ks