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Swift-XRT spectra of GRB 200131A

Last updated after receiving ObsID 00953689001, version 2

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 75 to 17384 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+169 s

NH (Galactic)1.84 × 1021 cm-2
NH (intrinsic)0 (+1.16 × 1020, -0) cm-2
z of absorber0
Photon index1.83 (+0.04, -0.03)
Flux (0.3-10 keV)
(Observed)
9.56 (+0.26, -0.29) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.214 (+0.029, -0.039) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.76 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.78 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
605.11 (635)
Spectrum exposure245 s

PC mode. Mean photon arrival: T0+9230 s

NH (Galactic)1.84 × 1021 cm-2
NH (intrinsic)5 (+5, -5) × 1020 cm-2
z of absorber0
Photon index1.78 (+0.13, -0.12)
Flux (0.3-10 keV)
(Observed)
1.29 (+0.10, -0.09) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.655 (+0.101, -0.098) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.08 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.26 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
365.91 (408)
Spectrum exposure5.8 ks

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Late Time spectrum (T0 + 4000 to 17384 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8831 s

NH (Galactic)1.84 × 1021 cm-2
NH (intrinsic)4 (+5, -4) × 1020 cm-2
z of absorber0
Photon index1.77 (+0.12, -0.12)
Flux (0.3-10 keV)
(Observed)
1.34 (+0.10, -0.09) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.70 (+0.10, -0.08) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.08 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.20 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
413.68 (420)
Spectrum exposure5.5 ks

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