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Swift-XRT spectra of GRB 110928A

Last updated after receiving ObsID 00504215001, version 11.

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Time-averaged spectrum (T0 + 3341 to 40508 s)

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PC mode spectrum of GRB 110928A

PC mode. Mean photon arrival: T0+18375 s

N_H (Galactic)	3.1 × 10²⁰ cm^-2
N_H (intrinsic)	4.9 (+2.2, -2.1) × 10²¹ cm^-2
z of absorber	0
Photon index	2.09 (+0.39, -0.39)
Flux (0.3-10 keV) (Observed)	7.5 (+1.6, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.40 (+0.61, -0.21) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.2 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	170.20 (154)
Exposure time	16.4 ks

Late Time spectrum (T0 + 4000 to 40508 s)

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PC mode spectrum of GRB 110928A

PC mode. Mean photon arrival: T0+20164 s

N_H (Galactic)	3.1 × 10²⁰ cm^-2
N_H (intrinsic)	4.7 (+2.2, -2.0) × 10²¹ cm^-2
z of absorber	0
Photon index	2.10 (+0.41, -0.40)
Flux (0.3-10 keV) (Observed)	7.1 (+1.5, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.34 (+0.61, -0.52) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.3 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.1 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	149.43 (145)
Exposure time	15.7 ks