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Swift-XRT spectra of GRB 200907B

Last updated after receiving ObsID 00995004003, version 10

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 83 to 34960 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+85 s

NH (Galactic)4.23 × 1021 cm-2
NH (intrinsic)1.2 (+12.9, -1.2) × 1022 cm-2
z of absorber0
Photon index3.1 (+14.4, -2.7)
Flux (0.3-10 keV)
(Observed)
1.05 (+2.73, -0.63) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8 (+1.00 × 1010, +9999999992) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.58 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.80 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
3.37 (5)
Spectrum exposure5 s

PC mode. Mean photon arrival: T0+956 s

NH (Galactic)4.23 × 1021 cm-2
NH (intrinsic)1.7 (+3.1, -1.7) × 1021 cm-2
z of absorber0
Photon index1.9 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
1.38 (+0.37, -0.28) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.2 (+0.6, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.48 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.22 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
115.00 (114)
Spectrum exposure8.2 ks

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Late Time spectrum (T0 + 4087 to 34960 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10711 s

NH (Galactic)4.23 × 1021 cm-2
NH (intrinsic)9.4 (+21.0, -9.4) × 1021 cm-2
z of absorber0
Photon index6 (+39, -3)
Flux (0.3-10 keV)
(Observed)
3.3 (+3.1, -1.7) × 10-14 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8 (+1.00 × 1012, -8) × 10-12 erg cm-2 s-1
Counts to flux (obs)1.92 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.84 × 10-9 erg cm-2 ct-1
W-stat (dof)
What's this?
7.43 (7)
Spectrum exposure7.4 ks

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