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Swift-XRT spectra of GRB 200227A

Last updated after receiving ObsID 00958592001, version 7

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 88 to 29149 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+301 s

NH (Galactic)2.12 × 1021 cm-2
NH (intrinsic)3.7 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index1.88 (+0.08, -0.07)
Flux (0.3-10 keV)
(Observed)
7.57 (+0.30, -0.29) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.18 (+0.05, -0.05) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.87 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
560.42 (644)
Spectrum exposure288 s

PC mode. Mean photon arrival: T0+2785 s

NH (Galactic)2.12 × 1021 cm-2
NH (intrinsic)3.5 (+1.1, -1.0) × 1021 cm-2
z of absorber0
Photon index1.83 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
1.90 (+0.17, -0.16) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.85 (+0.24, -0.21) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.61 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.92 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
308.37 (381)
Spectrum exposure5.9 ks

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Late Time spectrum (T0 + 4750 to 29149 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13400 s

NH (Galactic)2.12 × 1021 cm-2
NH (intrinsic)3.5 (+2.6, -2.1) × 1021 cm-2
z of absorber0
Photon index2.3 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
1.27 (+0.31, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.56 (+1.35, -0.51) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.61 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.28 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
78.81 (110)
Spectrum exposure5.0 ks

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