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Swift-XRT spectra of GRB 150204A

Last updated after receiving ObsID 00020477002, version 6

Data were analysed using HEASOFT version 6.29

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Time-averaged spectrum (T0 + 51190 to 63652 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+57209 s

NH (Galactic)5.62 × 1021 cm-2
NH (intrinsic)4 (+6, -4) × 1022 cm-2
z of absorber0
Photon index3.9 (+3.1, -2.0)
Flux (0.3-10 keV)
(Observed)		3.9 (+2.3, -1.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		2.0 (+1.00 × 1011, -2.0) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.34 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.26 × 10-9 erg cm-2 ct-1
W-stat (dof)
What's this?		26.01 (25)
Spectrum exposure4.7 ks