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Swift-XRT spectra of GRB 200122A

Last updated after receiving ObsID 00950330001, version 12

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 78 to 35248 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+184 s

N_H (Galactic)	1.54 × 10²⁰ cm^-2
N_H (intrinsic)	1.54 (+0.07, -0.07) × 10²² cm^-2
z of absorber	0
Photon index	1.84 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	5.62 (+0.11, -0.11) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.03 (+0.03, -0.03) × 10^-8 erg cm^-2 s^-1
Counts to flux (obs)	5.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.05 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	867.06 (821)
Spectrum exposure	296 s

PC mode. Mean photon arrival: T0+7355 s

N_H (Galactic)	1.54 × 10²⁰ cm^-2
N_H (intrinsic)	1.72 (+0.19, -0.18) × 10²² cm^-2
z of absorber	0
Photon index	2.26 (+0.15, -0.14)
Flux (0.3-10 keV) (Observed)	3.80 (+0.22, -0.20) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.020 (+0.176, -0.068) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	5.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.35 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	464.79 (527)
Spectrum exposure	6.2 ks

Late Time spectrum (T0 + 5268 to 35248 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12104 s

N_H (Galactic)	1.54 × 10²⁰ cm^-2
N_H (intrinsic)	1.83 (+0.26, -0.24) × 10²² cm^-2
z of absorber	0
Photon index	2.51 (+0.20, -0.20)
Flux (0.3-10 keV) (Observed)	1.95 (+0.15, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.09 (+2.15, -0.78) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.67 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	385.33 (410)
Spectrum exposure	4.5 ks