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Swift-XRT spectra of GRB 200922A

Last updated after receiving ObsID 00997024009, version 7

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 81 to 28904 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+131 s

N_H (Galactic)	4.71 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.24 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	2.63 (+0.23, -0.21) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.80 (+0.29, -0.32) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.28 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	256.60 (317)
Spectrum exposure	123 s

PC mode. Mean photon arrival: T0+7537 s

N_H (Galactic)	4.71 × 10²⁰ cm^-2
N_H (intrinsic)	2.0 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.18 (+0.24, -0.22)
Flux (0.3-10 keV) (Observed)	2.7 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.2 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.26 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	175.48 (240)
Spectrum exposure	7.6 ks

Late Time spectrum (T0 + 4000 to 28904 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9657 s

N_H (Galactic)	4.71 × 10²⁰ cm^-2
N_H (intrinsic)	2.01 (+1.06, -0.90) × 10²¹ cm^-2
z of absorber	0
Photon index	2.10 (+0.28, -0.26)
Flux (0.3-10 keV) (Observed)	2.06 (+0.32, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.40 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	164.66 (202)
Spectrum exposure	7.1 ks