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Swift-XRT spectra of GRB 220826A

Last updated after receiving ObsID 01121751009, version 7

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 87 to 45197 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+101 s

N_H (Galactic)	9.05 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+9.7, -2.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	3.0 (+0.7, -0.3)
Flux (0.3-10 keV) (Observed)	1.81 (+0.27, -0.28) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.37 (+1.63, -0.79) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.24 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	132.82 (138)
Spectrum exposure	37 s

PC mode. Mean photon arrival: T0+5630 s

N_H (Galactic)	9.05 × 10²⁰ cm^-2
N_H (intrinsic)	8 (+6, -5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.78 (+0.16, -0.16)
Flux (0.3-10 keV) (Observed)	7.7 (+0.8, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.5 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.02 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	258.41 (315)
Spectrum exposure	8.3 ks

Late Time spectrum (T0 + 5034 to 45197 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14254 s

N_H (Galactic)	9.05 × 10²⁰ cm^-2
N_H (intrinsic)	9.6 (+11.4, -9.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.79 (+0.28, -0.26)
Flux (0.3-10 keV) (Observed)	1.81 (+0.32, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.27 (+0.31, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.06 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	136.03 (178)
Spectrum exposure	7.6 ks