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Swift-XRT spectra of GRB 250920C

Last updated after receiving ObsID 01351039001, version 12

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.4 (GCN 41928)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 130 to 56200 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+159 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	3.4 (+2.1, -2.0) × 10²⁰ cm^-2
z of absorber	1.4
Photon index	1.938 (+0.100, -0.096)
Flux (0.3-10 keV) (Observed)	1.20 (+0.07, -0.07) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.34 (+0.06, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.26 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.64 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	419.19 (442)
Spectrum exposure	64 s

PC mode. Mean photon arrival: T0+13921 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+4, -3) × 10²⁰ cm^-2
z of absorber	1.4
Photon index	1.89 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	1.43 (+0.14, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.63 (+0.13, -0.12) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.55 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.05 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	262.80 (291)
Spectrum exposure	4.1 ks

Late Time spectrum (T0 + 7045 to 56200 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+20776 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	6 (+5, -5) × 10²⁰ cm^-2
z of absorber	1.4
Photon index	1.95 (+0.21, -0.20)
Flux (0.3-10 keV) (Observed)	7.7 (+1.0, -0.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.0 (+0.9, -0.8) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.45 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.05 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	200.88 (227)
Spectrum exposure	3.9 ks