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Swift-XRT spectra of GRB 250521B — Source 1

Last updated at 2025-05-22 at 12:18:15 UTC

About these products.

Time-averaged spectrum (T0 + 70022 to 86012 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 250521B

PC mode. Mean photon arrival: T0+78005 s

N_H (Galactic)	1.94 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+16.9, -2.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+4.3, -1.7)
Flux (0.3-10 keV) (Observed)	3.0 (+8.0, -2.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.3 (+8.3, -2.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.16 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	1.94 (3)
Spectrum exposure	1.4 ks