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Swift-XRT spectra of GRB 220118A

Last updated after receiving ObsID 01093742001, version 83

Data were analysed using HEASOFT version -1

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 96 to 11871 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+109 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	3.5 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	2.77 (+0.31, -0.28) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.0 (+5.7, -1.9) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.14 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.94 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	140.90 (168)
Spectrum exposure	32 s

PC mode. Mean photon arrival: T0+1959 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+5.57 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.81 (+0.27, -0.15)
Flux (0.3-10 keV) (Observed)	1.39 (+0.18, -0.21) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.46 (+0.19, -0.20) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.53 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.71 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	118.89 (154)
Spectrum exposure	1.7 ks

Late Time spectrum (T0 + 10447 to 11871 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11095 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+4.1, -2.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.26 (+1.17, -0.95)
Flux (0.3-10 keV) (Observed)	1.1 (+0.8, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.8 (+5.1, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.31 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.46 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	24.89 (30)
Spectrum exposure	1.4 ks