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Swift-XRT spectra of GRB 130122A

Last updated after receiving ObsID 00546731001, version 7.

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Time-averaged spectrum (T0 + 120 to 57247 s)

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WT and PC mode spectra of GRB 130122A

WT mode. Mean photon arrival: T0+141 s

N_H (Galactic)	9.3 × 10¹⁹ cm^-2
N_H (intrinsic)	0 (+6.5 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.05 (+0.26, -0.18)
Flux (0.3-10 keV) (Observed)	2.34 (+0.36, -0.46) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.34 (+0.43, -0.39) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	5.4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.4 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	108.82 (151)
Exposure time	44 s

PC mode. Mean photon arrival: T0+7750 s

N_H (Galactic)	9.3 × 10¹⁹ cm^-2
N_H (intrinsic)	8.1 (+5.4, -4.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.81 (+0.22, -0.21)
Flux (0.3-10 keV) (Observed)	1.66 (+0.22, -0.19) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.99 (+0.20, -0.15) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.0 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.8 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	221.83 (265)
Exposure time	20.3 ks

Late Time spectrum (T0 + 4000 to 57247 s)

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PC mode spectrum of GRB 130122A

PC mode. Mean photon arrival: T0+18359 s

N_H (Galactic)	9.3 × 10¹⁹ cm^-2
N_H (intrinsic)	2.34 (+1.12, -0.98) × 10²¹ cm^-2
z of absorber	0
Photon index	2.90 (+0.52, -0.46)
Flux (0.3-10 keV) (Observed)	3.21 (+0.59, -0.48) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.9 (+1.8, -1.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.7 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.6 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	117.69 (129)
Exposure time	19.7 ks