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Swift-XRT spectra of GRB 250424A

Last updated after receiving ObsID 01306404015, version 12

Data were analysed using HEASOFT version 6.35.2

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.31 (GCN 40228)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 259 to 52886 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+14753 s

N_H (Galactic)	6.41 × 10²⁰ cm^-2
N_H (intrinsic)	1.88 (+0.19, -0.18) × 10²² cm^-2
z of absorber	0.31
Photon index	2.02 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	3.41 (+0.15, -0.15) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.5 (+0.5, -0.4) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	580.37 (595)
Spectrum exposure	11.3 ks

Late Time spectrum (T0 + 5874 to 52886 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18646 s

N_H (Galactic)	6.41 × 10²⁰ cm^-2
N_H (intrinsic)	1.82 (+0.22, -0.20) × 10²² cm^-2
z of absorber	0.31
Photon index	1.97 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	2.69 (+0.14, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.9 (+0.4, -0.3) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.02 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.14 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	561.05 (569)
Spectrum exposure	9.6 ks