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Swift-XRT spectra of GRB 220117B

Last updated after receiving ObsID 01093611001, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 102 to 28579 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+204 s

N_H (Galactic)	7.58 × 10²⁰ cm^-2
N_H (intrinsic)	3.6 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.61 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	4.79 (+0.22, -0.21) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.166 (+0.116, -0.095) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	427.62 (477)
Spectrum exposure	203 s

PC mode. Mean photon arrival: T0+10076 s

N_H (Galactic)	7.58 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.06 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	4.9 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.5 (+0.6, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.59 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.49 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	249.22 (303)
Spectrum exposure	6.5 ks

Late Time spectrum (T0 + 4002 to 28579 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11121 s

N_H (Galactic)	7.58 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.06 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	4.6 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.0 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.60 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.55 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	222.15 (285)
Spectrum exposure	6.0 ks