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Swift-XRT spectra of GRB 180809B

Last updated after receiving ObsID 00852553007, version 11

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 74 to 16961 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+624 s

NH (Galactic)1.19 × 1021 cm-2
NH (intrinsic)2.04 (+0.09, -0.09) × 1021 cm-2
z of absorber0
Photon index1.674 (+0.016, -0.016)
Flux (0.3-10 keV)
(Observed)
2.934 (+0.028, -0.028) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.791 (+0.029, -0.029) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.47 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.77 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
1039.25 (922)
Spectrum exposure1.5 ks

PC mode. Mean photon arrival: T0+9300 s

NH (Galactic)1.19 × 1021 cm-2
NH (intrinsic)1.9 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index1.758 (+0.101, -0.098)
Flux (0.3-10 keV)
(Observed)
1.58 (+0.09, -0.09) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.11 (+0.10, -0.09) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.30 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.71 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
479.45 (514)
Spectrum exposure3.0 ks

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Late Time spectrum (T0 + 4793 to 16961 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9300 s

NH (Galactic)1.19 × 1021 cm-2
NH (intrinsic)1.9 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index1.758 (+0.101, -0.098)
Flux (0.3-10 keV)
(Observed)
1.58 (+0.09, -0.09) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.11 (+0.10, -0.09) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.30 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.71 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
479.45 (514)
Spectrum exposure3.0 ks

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