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Swift-XRT spectra of GRB 250925A

Last updated after receiving ObsID 01352124002, version 4

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 3.899 (GCN 41997)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3739 to 21581 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+9501 s

N_H (Galactic)	2.59 × 10²¹ cm^-2
N_H (intrinsic)	5 (+7, -5) × 10²⁰ cm^-2
z of absorber	3.899
Photon index	2.04 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	8.1 (+0.8, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.23 (+0.14, -0.11) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.73 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.65 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	280.81 (314)
Spectrum exposure	5.1 ks

Late Time spectrum (T0 + 4000 to 21581 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9952 s

N_H (Galactic)	2.59 × 10²¹ cm^-2
N_H (intrinsic)	5 (+8, -5) × 10²⁰ cm^-2
z of absorber	3.899
Photon index	2.05 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	7.8 (+0.8, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.186 (+0.142, -0.078) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.73 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.66 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	269.55 (300)
Spectrum exposure	4.9 ks