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Swift-XRT spectra of GRB 250331D

Last updated after receiving ObsID 00021825003, version 15

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 45311 to 68062 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+54844 s

NH (Galactic)7.01 × 1021 cm-2
NH (intrinsic)2.7 (+3.8, -2.0) × 1022 cm-2
z of absorber0
Photon index3.4 (+2.4, -1.7)
Flux (0.3-10 keV)
(Observed)		3.0 (+2.0, -1.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		5 (+41, -4) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.20 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.41 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?		27.39 (25)
Spectrum exposure5.3 ks