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Swift-XRT spectra of GRB 241229A

Last updated after receiving ObsID 00021751001, version 8

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 65757 to 72868 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+66615 s

NH (Galactic)1.43 × 1020 cm-2
NH (intrinsic)1.6 (+3.7, -1.6) × 1021 cm-2
z of absorber0
Photon index2.8 (+1.4, -1.1)
Flux (0.3-10 keV)
(Observed)		4.1 (+3.3, -1.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		8.4 (+28.5, -3.3) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.79 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		13.84 (19)
Spectrum exposure1.9 ks