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Swift-XRT spectra of GRB 160221A

Last updated after receiving ObsID 00020600002, version 7

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 21295 to 33239 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+25985 s

NH (Galactic)1.81 × 1021 cm-2
NH (intrinsic)8 (+44, -8) × 1020 cm-2
z of absorber0
Photon index1.99 (+1.02, -0.62)
Flux (0.3-10 keV)
(Observed)
5.7 (+3.1, -2.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.1 (+5.2, -2.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.69 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.27 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
20.78 (29)
Spectrum exposure3.0 ks