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Swift-XRT spectra of GRB 201221D

Last updated after receiving ObsID 01014037002, version 8

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 1.046 (GCN 29132)

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Time-averaged spectrum (T0 + 97 to 23521 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+1118 s

NH (Galactic)2.65 × 1020 cm-2
NH (intrinsic)0 (+2.68 × 1022, -0) cm-2
z of absorber1.046
Photon index1.10 (+1.05, -0.47)
Flux (0.3-10 keV)
(Observed)		1.9 (+1.1, -1.0) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.98 (+0.97, -1.02) × 10-13 erg cm-2 s-1
Counts to flux (obs)5.23 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.45 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		16.95 (17)
Spectrum exposure6.7 ks

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Late Time spectrum (T0 + 4045 to 23521 s)

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PC mode spectrum of Late Time

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