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Swift-XRT spectra of GRB 200109A

Last updated after receiving ObsID 00948361001, version 10

Data were analysed using HEASOFT version 6.32

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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)7 (+5, -3) × 1021 cm-2
z of absorber0
Photon index1.50 (+0.32, -0.28)
Flux (0.3-10 keV)
(Observed)
6.2 (+0.9, -0.8) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.7 (+1.6, -1.1) × 10-10 erg cm-2 s-1
Counts to flux (obs)6.01 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.46 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
194.72 (292)
Spectrum exposure48 s

PC mode. Mean photon arrival: T0+1329 s

NH (Galactic)3.98 × 1021 cm-2
NH (intrinsic)2.9 (+2.8, -2.3) × 1021 cm-2
z of absorber0
Photon index1.62 (+0.32, -0.30)
Flux (0.3-10 keV)
(Observed)
4.5 (+0.8, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.30 (+1.10, -0.80) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.44 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.60 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
168.20 (213)
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+17824 s

NH (Galactic)3.98 × 1021 cm-2
NH (intrinsic)9 (+57, -9) × 1021 cm-2
z of absorber0
Photon index0.5 (+2.2, -1.3)
Flux (0.3-10 keV)
(Observed)
4.3 (+3.6, -2.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.7 (+4.4, -2.3) × 10-13 erg cm-2 s-1
Counts to flux (obs)1.24 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)1.37 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
11.62 (10)
Spectrum exposure5.0 ks

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