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Swift-XRT spectra of GRB 260922A

Last updated after receiving ObsID 01512686001, version 7

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)	6.1 (+0.3, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.1 (+0.4, -0.3) × 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?	370.52 (410)
Spectrum exposure	146 s

PC mode. Mean photon arrival: T0+8539 s

N_H (Galactic)	2.88 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+3.27 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.696 (+0.151, -0.096)
Flux (0.3-10 keV) (Observed)	7.5 (+0.6, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.9 (+0.6, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	249.75 (276)
Spectrum exposure	6.7 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+13543 s

N_H (Galactic)	2.88 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.73 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.69 (+0.15, -0.13)
Flux (0.3-10 keV) (Observed)	3.9 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.1 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.14 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	180.20 (218)
Spectrum exposure	5.8 ks