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Swift-XRT spectra of GRB 121117A

Last updated after receiving ObsID 00538696001, version 11.

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Time-averaged spectrum (T0 + 55 to 113915 s)

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WT and PC mode spectra of GRB 121117A

WT mode. Mean photon arrival: T0+119 s

N_H (Galactic)	5.2 × 10²⁰ cm^-2
N_H (intrinsic)	3.2 (+7.2, -3.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.55 (+0.22, -0.19)
Flux (0.3-10 keV) (Observed)	2.16 (+0.29, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.42 (+0.26, -0.13) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.2 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.7 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	274.43 (335)
Exposure time	147 s

PC mode. Mean photon arrival: T0+11570 s

N_H (Galactic)	5.2 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+9.8 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.08 (+0.50, -0.22)
Flux (0.3-10 keV) (Observed)	2.52 (+0.49, -0.51) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.99 (+0.64, -0.44) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.0 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	88.51 (100)
Exposure time	21.8 ks

Late Time spectrum (T0 + 4000 to 113915 s)

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PC mode spectrum of GRB 121117A

PC mode. Mean photon arrival: T0+12538 s

N_H (Galactic)	5.2 × 10²⁰ cm^-2
N_H (intrinsic)	2.7 (+10.3, -2.7) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.31 (+0.54, -0.36)
Flux (0.3-10 keV) (Observed)	2.07 (+0.46, -0.42) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.80 (+0.67, -0.61) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.1 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.2 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	84.31 (89)
Exposure time	21.4 ks