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Swift-XRT spectra of GRB 131209A — Source 6

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+345001 s

N_H (Galactic)	3.18 × 10²¹ cm^-2
N_H (intrinsic)	3.1 (+16.3, -3.1) × 10²¹ cm^-2
z of absorber	0
Photon index	3.0 (+2.0, -1.4)
Flux (0.3-10 keV) (Observed)	2.6 (+3.3, -1.7) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.4 (+3.08 × 10³, -1.5) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	2.41 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	8.57 (6)
Spectrum exposure	11.8 ks