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Swift-XRT spectra of GRB 260208B — Source 57

Last updated at 2026-02-09 at 21:25:43 UTC

About these products.

Time-averaged spectrum (T0 + 33067 to 45512 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 260208B

PC mode. Mean photon arrival: T0+36454 s

N_H (Galactic)	4.20 × 10²¹ cm^-2
N_H (intrinsic)	1.3 (+0.4, -0.6) × 10²⁴ cm^-2
z of absorber	0
Photon index/th>	97.06 (+??, -100.05)
Flux (0.3-10 keV) (Observed)	5 (+3, -3) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5 (+1.00 × 10¹¹, -99999999995) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	1.79 × 10^-9 erg cm^-2 ct^-1
Counts to flux (unabs)	1.79 × 10^-9 erg cm^-2 ct^-1
W-stat What's this?(dof)	17.72 (25)
Spectrum exposure	1.9 ks