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Swift-XRT spectra of GRB 110223A

Last updated after receiving ObsID 00446674020, version 10.

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Time-averaged spectrum (T0 + 94 to 56590 s)

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WT and PC mode spectra of GRB 110223A

WT mode. Mean photon arrival: T0+109 s

N_H (Galactic)	5.6 × 10²⁰ cm^-2
N_H (intrinsic)	1.03 (+1.06, -0.92) × 10²¹ cm^-2
z of absorber	0
Photon index	1.66 (+0.38, -0.34)
Flux (0.3-10 keV) (Observed)	3.93 (+0.95, -0.81) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.83 (+0.84, -0.75) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.0 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.9 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	116.92 (169)
Exposure time	40 s

PC mode. Mean photon arrival: T0+17344 s

N_H (Galactic)	5.6 × 10²⁰ cm^-2
N_H (intrinsic)	1.51 (+0.82, -0.72) × 10²¹ cm^-2
z of absorber	0
Photon index	2.09 (+0.27, -0.25)
Flux (0.3-10 keV) (Observed)	1.60 (+0.23, -0.20) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.45 (+0.30, -0.31) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.7 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.7 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	201.07 (225)
Exposure time	12.1 ks

Late Time spectrum (T0 + 4567 to 56590 s)

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PC mode spectrum of GRB 110223A

PC mode. Mean photon arrival: T0+29105 s

N_H (Galactic)	5.6 × 10²⁰ cm^-2
N_H (intrinsic)	1.03 (+1.06, -0.88) × 10²¹ cm^-2
z of absorber	0
Photon index	1.81 (+0.33, -0.31)
Flux (0.3-10 keV) (Observed)	9.6 (+1.9, -1.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.24 (+0.19, -0.17) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.2 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.4 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	142.30 (163)
Exposure time	11.6 ks