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Swift-XRT spectra of GRB 240811A

Last updated after receiving ObsID 01248132001, version 14

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 101 to 57715 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+117 s

N_H (Galactic)	1.98 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+7.0, -2.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.24 (+0.39, -0.26)
Flux (0.3-10 keV) (Observed)	2.3 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.68 (+0.39, -0.29) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.80 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	127.43 (171)
Spectrum exposure	41 s

PC mode. Mean photon arrival: T0+12594 s

N_H (Galactic)	1.98 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+5, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.99 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	3.3 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.8 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.35 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.93 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	246.57 (263)
Spectrum exposure	9.3 ks

Late Time spectrum (T0 + 4623 to 57715 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21843 s

N_H (Galactic)	1.98 × 10²⁰ cm^-2
N_H (intrinsic)	8 (+9, -7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.97 (+0.27, -0.25)
Flux (0.3-10 keV) (Observed)	2.08 (+0.33, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.52 (+0.32, -0.28) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.45 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	159.42 (200)
Spectrum exposure	8.2 ks