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Swift-XRT spectra of GRB 201221D

Last updated after receiving ObsID 01014037002, version 8

Data were analysed using HEASOFT version 6.32

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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 (+3.49 × 1022, -0) cm-2
z of absorber1.046
Photon index1.12 (+1.12, -0.54)
Flux (0.3-10 keV)
(Observed)		1.9 (+1.3, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		2.0 (+1.3, -1.0) × 10-13 erg cm-2 s-1
Counts to flux (obs)5.50 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.66 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		23.12 (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

PC mode. Mean photon arrival: T0+17289 s

Can't find a valid fit for this spectrum

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