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Swift-XRT spectra of GRB 200901B

Last updated after receiving ObsID 00994165009, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 176 to 35046 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+521 s

NH (Galactic)1.20 × 1021 cm-2
NH (intrinsic)6.4 (+2.9, -2.7) × 1020 cm-2
z of absorber0
Photon index1.13 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
8.11 (+0.27, -0.27) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.77 (+0.23, -0.24) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.93 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.42 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
768.03 (765)
Spectrum exposure787 s

PC mode. Mean photon arrival: T0+15585 s

NH (Galactic)1.20 × 1021 cm-2
NH (intrinsic)0 (+4.20 × 1021, -0) cm-2
z of absorber0
Photon index2.1 (+0.8, -0.6)
Flux (0.3-10 keV)
(Observed)
2.13 (+1.05, -0.92) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.8 (+5.1, -1.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.15 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
21.72 (20)
Spectrum exposure4.6 ks

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Late Time spectrum (T0 + 11290 to 35046 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15585 s

NH (Galactic)1.20 × 1021 cm-2
NH (intrinsic)0 (+4.20 × 1021, -0) cm-2
z of absorber0
Photon index2.1 (+0.8, -0.6)
Flux (0.3-10 keV)
(Observed)
2.13 (+1.05, -0.92) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.8 (+5.1, -1.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.15 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
21.72 (20)
Spectrum exposure4.6 ks

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