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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

NH (Galactic)5.6 × 1020 cm-2
NH (intrinsic)1.03 (+1.06, -0.92) × 1021 cm-2
z of absorber0
Photon index1.66 (+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 time40 s

PC mode. Mean photon arrival: T0+17344 s

NH (Galactic)5.6 × 1020 cm-2
NH (intrinsic)1.51 (+0.82, -0.72) × 1021 cm-2
z of absorber0
Photon index2.09 (+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 time12.1 ks

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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

NH (Galactic)5.6 × 1020 cm-2
NH (intrinsic)1.03 (+1.06, -0.88) × 1021 cm-2
z of absorber0
Photon index1.81 (+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 time11.6 ks

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