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Swift-XRT spectra of GRB 200109A

Last updated after receiving ObsID 00948361001, version 10

Data were analysed using HEASOFT version 6.28

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 109 to 28388 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+130 s

NH (Galactic)3.98 × 1021 cm-2
NH (intrinsic)8 (+5, -4) × 1021 cm-2
z of absorber0
Photon index1.53 (+0.33, -0.29)
Flux (0.3-10 keV)
(Observed)
6.0 (+0.9, -0.8) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.4 (+3.0, -1.4) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.89 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.29 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
194.04 (294)
Spectrum exposure48 s

PC mode. Mean photon arrival: T0+1141 s

NH (Galactic)3.98 × 1021 cm-2
NH (intrinsic)3.5 (+2.7, -2.3) × 1021 cm-2
z of absorber0
Photon index1.72 (+0.30, -0.28)
Flux (0.3-10 keV)
(Observed)
4.2 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.3 (+6.1, -1.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.27 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.85 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
185.92 (225)
Spectrum exposure6.5 ks

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Late Time spectrum (T0 + 11719 to 28388 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18723 s

NH (Galactic)3.98 × 1021 cm-2
NH (intrinsic)4 (+46, -4) × 1021 cm-2
z of absorber0
Photon index0.6 (+2.2, -1.2)
Flux (0.3-10 keV)
(Observed)
2.9 (+2.6, -1.7) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.6 (+411.1, -1.3) × 10-13 erg cm-2 s-1
Counts to flux (obs)1.05 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)5.83 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
8.19 (8)
Spectrum exposure5.0 ks

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