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Swift-XRT spectra of GRB 260903A — Source 2

Last updated at 2026-09-10 at 10:09:05 UTC

About these products.

Time-averaged spectrum (T0 + 498368 to 548480 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 260903A

PC mode. Mean photon arrival: T0+507037 s

N_H (Galactic)	5.65 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+75, -7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+4.5, -2.1)
Flux (0.3-10 keV) (Observed)	2.4 (+5.1, -2.0) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5 (+1.00 × 10¹³, -3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.24 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.46 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	6.17 (3)
Spectrum exposure	1.9 ks