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Swift-XRT spectra of GRB 260922A

Last updated after receiving ObsID 01512686001, version 4

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 115 to 33763 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+164 s

N_H (Galactic)	2.88 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+2.0, -1.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.18 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	6.6 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.76 (+0.38, -0.19) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.41 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	369.22 (409)
Spectrum exposure	146 s

PC mode. Mean photon arrival: T0+8037 s

N_H (Galactic)	2.88 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+3.96 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.691 (+0.171, -0.099)
Flux (0.3-10 keV) (Observed)	7.9 (+0.7, -0.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.3 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.90 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.10 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	256.92 (264)
Spectrum exposure	6.4 ks

Late Time spectrum (T0 + 4541 to 33763 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13032 s

N_H (Galactic)	2.88 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+4.03 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.626 (+0.246, -0.088)
Flux (0.3-10 keV) (Observed)	4.1 (+0.5, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.2 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.05 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	192.81 (200)
Spectrum exposure	5.5 ks