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Swift-XRT spectra of GRB 221231A — Source 4

Last updated at 2023-01-02 at 11:21:33 UTC

xrtpipeline was called using the Swift 6.32 software

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Time-averaged spectrum (T0 + 32689 to 119993 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of GRB 221231A

PC mode. Mean photon arrival: T0+37785 s

NH (Galactic)6.37 × 1020 cm-2
NH (intrinsic)5.6 (+20.5, -4.9) × 1022 cm-2
z of absorber0
Photon index10.0 (+89.5, -11.0)
Flux (0.3-10 keV)
(Observed)
1.4 (+32.7, -1.0) × 10-14 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7 (+1.00 × 108, -6) × 10-8 erg cm-2 s-1
Counts to flux (obs)2.15 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.83 × 10-5 erg cm-2 ct-1
W-stat
What's this?(dof)
0.79 (2)
Spectrum exposure9.9 ks