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Swift-XRT spectra of GRB 240809A

Last updated after receiving ObsID 01247745002, version 5

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.494 (GCN 37129)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 94 to 22933 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+520 s

NH (Galactic)1.45 × 1021 cm-2
NH (intrinsic)2.9 (+0.9, -0.8) × 1021 cm-2
z of absorber1.494
Photon index1.680 (+0.026, -0.026)
Flux (0.3-10 keV)
(Observed)
1.83 (+0.03, -0.03) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.21 (+0.03, -0.03) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.00 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
848.74 (798)
Spectrum exposure1.3 ks

PC mode. Mean photon arrival: T0+11917 s

NH (Galactic)1.45 × 1021 cm-2
NH (intrinsic)1.9 (+2.7, -1.9) × 1021 cm-2
z of absorber1.494
Photon index1.63 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
5.3 (+0.3, -0.3) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.29 (+0.30, -0.29) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.23 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
457.24 (481)
Spectrum exposure4.1 ks

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Late Time spectrum (T0 + 4718 to 22933 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11917 s

NH (Galactic)1.45 × 1021 cm-2
NH (intrinsic)1.9 (+2.7, -1.9) × 1021 cm-2
z of absorber1.494
Photon index1.63 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
5.3 (+0.3, -0.3) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.29 (+0.30, -0.29) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.23 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
457.24 (481)
Spectrum exposure4.1 ks

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