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Swift-XRT spectra of GRB 200227A

Last updated after receiving ObsID 00958592002, version 5

Data were analysed using HEASOFT version 6.32

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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)3.9 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index1.89 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
7.77 (+0.31, -0.30) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.22 (+0.06, -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)6.97 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
619.38 (632)
Spectrum exposure288 s

PC mode. Mean photon arrival: T0+2761 s

NH (Galactic)2.12 × 1021 cm-2
NH (intrinsic)3.4 (+1.1, -1.0) × 1021 cm-2
z of absorber0
Photon index1.78 (+0.16, -0.16)
Flux (0.3-10 keV)
(Observed)
2.14 (+0.20, -0.18) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.13 (+0.28, -0.23) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.71 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.90 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
330.48 (393)
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)3.7 (+2.7, -2.2) × 1021 cm-2
z of absorber0
Photon index2.3 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
1.39 (+0.34, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.85 (+1.54, -0.58) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.61 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.39 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
96.29 (114)
Spectrum exposure5.0 ks

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