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Swift-XRT spectra of GRB 200122A

Last updated after receiving ObsID 00950330001, version 6

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 78 to 35248 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+184 s

NH (Galactic)1.54 × 1020 cm-2
NH (intrinsic)1.42 (+0.07, -0.07) × 1022 cm-2
z of absorber0
Photon index1.84 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
5.01 (+0.10, -0.10) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.95 (+0.27, -0.28) × 10-9 erg cm-2 s-1
Counts to flux (obs)5.65 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.01 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
863.92 (816)
Spectrum exposure296 s

PC mode. Mean photon arrival: T0+7744 s

NH (Galactic)1.54 × 1020 cm-2
NH (intrinsic)1.66 (+0.17, -0.16) × 1022 cm-2
z of absorber0
Photon index2.26 (+0.14, -0.13)
Flux (0.3-10 keV)
(Observed)
3.57 (+0.19, -0.18) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.50 (+1.48, -0.64) × 10-11 erg cm-2 s-1
Counts to flux (obs)5.01 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.33 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
452.26 (542)
Spectrum exposure6.1 ks

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Late Time spectrum (T0 + 5268 to 35248 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11831 s

NH (Galactic)1.54 × 1020 cm-2
NH (intrinsic)1.72 (+0.22, -0.21) × 1022 cm-2
z of absorber0
Photon index2.44 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
2.11 (+0.14, -0.13) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.91 (+1.69, -0.66) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.67 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.53 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
356.88 (455)
Spectrum exposure4.5 ks

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