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Swift-XRT spectra of GRB 230911C

Last updated after receiving ObsID 01191188990, version 0

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 122 to 11528 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+185 s

N_H (Galactic)	9.36 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+5.62 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.16 (+0.47, -0.20)
Flux (0.3-10 keV) (Observed)	1.17 (+0.27, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.33 (+0.29, -0.30) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.82 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.21 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	58.34 (91)
Spectrum exposure	33 s

PC mode. Mean photon arrival: T0+2461 s

N_H (Galactic)	9.36 × 10²⁰ cm^-2
N_H (intrinsic)	3 (+9, -3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.86 (+0.26, -0.21)
Flux (0.3-10 keV) (Observed)	9.3 (+1.5, -1.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.13 (+0.15, -0.11) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.42 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	141.28 (193)
Spectrum exposure	4.3 ks

Late Time spectrum (T0 + 4167 to 11528 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+7724 s

N_H (Galactic)	9.36 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.46 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.48 (+0.50, -0.20)
Flux (0.3-10 keV) (Observed)	1.4 (+0.3, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.6 (+0.3, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.83 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	80.77 (68)
Spectrum exposure	3.7 ks