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Swift-XRT spectra of GRB 050916

Last updated after receiving ObsID 00155408003, version 13.

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Time-averaged spectrum (T0 + 215 to 74567 s)

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PC mode spectrum of GRB 050916

PC mode. Mean photon arrival: T0+16891 s

N_H (Galactic)	8 × 10²¹ cm^-2
N_H (intrinsic)	1.3 (+2.2, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.66 (+0.24, -0.21)
Flux (0.3-10 keV) (Observed)	2.22 (+0.23, -0.21) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.5 (+0.6, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	7 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.1 × 10^-10 erg cm^-2 ct^-1
C-stat (dof)	297.98 (369)
Exposure time	24.7 ks

Late Time spectrum (T0 + 4922 to 74567 s)

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PC mode spectrum of GRB 050916

PC mode. Mean photon arrival: T0+19656 s

N_H (Galactic)	8 × 10²¹ cm^-2
N_H (intrinsic)	8.4 (+24.3, -8.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.58 (+0.25, -0.20)
Flux (0.3-10 keV) (Observed)	2.05 (+0.24, -0.21) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.10 (+0.50, -0.27) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	7 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.1 × 10^-10 erg cm^-2 ct^-1
C-stat (dof)	264.81 (340)
Exposure time	24.1 ks