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Swift-XRT spectra of GRB 250728A — Source 4

Last updated at 2025-07-29 at 05:24:58 UTC

About these products.

Time-averaged spectrum (T0 + 14708 to 28187 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 250728A

PC mode. Mean photon arrival: T0+20314 s

N_H (Galactic)	8.58 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+33.8, -2.2) × 10²² cm^-2
z of absorber	0
Photon index	6 (+87, -8)
Flux (0.3-10 keV) (Observed)	5.1 (+138.9, -3.5) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6 (+1.00 × 10¹¹, -6) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	2.20 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.48 × 10^-8 erg cm^-2 ct^-1
W-stat What's this?(dof)	1.16 (2)
Spectrum exposure	3.1 ks