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Swift-XRT spectra of GRB 240811A

Last updated after receiving ObsID 01248132004, version 11

Data were analysed using HEASOFT version 6.35.2

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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)	2.4 (+5.9, -2.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.18 (+0.34, -0.25)
Flux (0.3-10 keV) (Observed)	2.3 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.6 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.83 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.25 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	138.81 (178)
Spectrum exposure	41 s

PC mode. Mean photon arrival: T0+12594 s

N_H (Galactic)	1.98 × 10²⁰ cm^-2
N_H (intrinsic)	6 (+5, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.98 (+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)	3.9 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	245.50 (270)
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)	9 (+9, -7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.97 (+0.27, -0.25)
Flux (0.3-10 keV) (Observed)	2.09 (+0.34, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.57 (+0.33, -0.29) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.46 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.26 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	185.98 (205)
Spectrum exposure	8.2 ks