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Swift-XRT spectra of GRB 220826A

Last updated after receiving ObsID 01121751009, version 7

Data were analysed using HEASOFT version 6.32

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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)	3.0 (+9.8, -3.0) × 10²⁰ cm^-2
z of absorber	0
Photon index	3.1 (+0.7, -0.4)
Flux (0.3-10 keV) (Observed)	1.74 (+0.26, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.38 (+2.63, -0.90) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.23 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.32 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	134.98 (133)
Spectrum exposure	37 s

PC mode. Mean photon arrival: T0+4963 s

N_H (Galactic)	9.05 × 10²⁰ cm^-2
N_H (intrinsic)	8 (+5, -5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.85 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	7.8 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.9 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	291.47 (324)
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+14115 s

N_H (Galactic)	9.05 × 10²⁰ cm^-2
N_H (intrinsic)	1.09 (+1.13, -0.94) × 10²¹ cm^-2
z of absorber	0
Photon index	1.82 (+0.28, -0.26)
Flux (0.3-10 keV) (Observed)	1.74 (+0.31, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.22 (+0.30, -0.14) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.90 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.99 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	137.18 (177)
Spectrum exposure	7.6 ks