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Swift-XRT spectra of GRB 260909A — Source 2

Last updated at 2026-09-12 at 11:44:06 UTC

About these products.

Time-averaged spectrum (T0 + 137704 to 253841 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 260909A

PC mode. Mean photon arrival: T0+218417 s

N_H (Galactic)	4.45 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+5.77 × 10²², -0) cm^-2
z of absorber	0
Photon index	1.04 (+1.73, -0.78)
Flux (0.3-10 keV) (Observed)	4.0 (+4.5, -2.5) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.2 (+3.9, -2.5) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.87 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	10.53 (7)
Spectrum exposure	2.2 ks