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Swift-XRT spectra of GRB 230307A

Last updated after receiving ObsID 00021547005, version 12

Data were analysed using HEASOFT version 6.29

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Time-averaged spectrum (T0 + 83590 to 145938 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+113327 s

NH (Galactic)1.26 × 1021 cm-2
NH (intrinsic)0 (+1.04 × 1021, -0) cm-2
z of absorber0
Photon index2.3 (+0.6, -0.4)
Flux (0.3-10 keV)
(Observed)		3.27 (+1.38, -0.97) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		3.9 (+1.6, -1.2) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.86 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.45 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		25.46 (34)
Spectrum exposure5.0 ks