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Swift-XRT spectra of GRB 250725A

Last updated after receiving ObsID 01336720001, version 12

Data were analysed using HEASOFT version 6.32

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 5.26 (GCN 41160)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 828 to 63859 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+858 s

N_H (Galactic)	9.21 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+63, -7) × 10²¹ cm^-2
z of absorber	5.26
Photon index	1.67 (+0.23, -0.17)
Flux (0.3-10 keV) (Observed)	2.2 (+0.3, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.5 (+0.3, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.29 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	184.58 (223)
Spectrum exposure	64 s

PC mode. Mean photon arrival: T0+4818 s

N_H (Galactic)	9.21 × 10²⁰ cm^-2
N_H (intrinsic)	2.8 (+2.3, -2.1) × 10²² cm^-2
z of absorber	5.26
Photon index	1.73 (+0.09, -0.08)
Flux (0.3-10 keV) (Observed)	1.82 (+0.11, -0.10) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.137 (+0.102, -0.099) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	425.45 (456)
Spectrum exposure	10.6 ks

Late Time spectrum (T0 + 7358 to 63859 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15037 s

N_H (Galactic)	9.21 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+6, -5) × 10²² cm^-2
z of absorber	5.26
Photon index	1.97 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	3.0 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.0 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.59 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	188.66 (235)
Spectrum exposure	9.0 ks