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Swift-XRT spectra of GRB 131209A — Source 2

Last updated after receiving ObsID 00020333004, version 4

Data were analysed using HEASOFT version 6.15.1

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Time-averaged spectrum (T0 + 118584 to 2194792 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+1120329 s

NH (Galactic)3.17 × 1021 cm-2
NH (intrinsic)0 (+1.37 × 1021, -0) cm-2
z of absorber0
Photon index1.9 (+0.9, -0.3)
Flux (0.3-10 keV)
(Observed)		1.2 (+0.8, -0.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.6 (+0.9, -0.4) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.83 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.01 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		19.91 (24)
Spectrum exposure11.8 ks