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Swift-XRT spectra of GRB 121031A

Last updated after receiving ObsID 00537195001, version 4.

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Time-averaged spectrum (T0 + 334 to 57419 s)

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PC mode spectrum of GRB 121031A

PC mode. Mean photon arrival: T0+17301 s

NH (Galactic)4.69 × 1020 cm-2
NH (intrinsic)7.2 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index2.21 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
1.45 (+0.06, -0.05) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.02 (+0.20, -0.16) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.03 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.38 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
578.87 (608)
Spectrum exposure18.4 ks

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Late Time spectrum (T0 + 4660 to 57419 s)

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PC mode spectrum of GRB 121031A

PC mode. Mean photon arrival: T0+19398 s

NH (Galactic)4.69 × 1020 cm-2
NH (intrinsic)7.1 (+0.6, -0.6) × 1021 cm-2
z of absorber0
Photon index2.24 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
1.26 (+0.05, -0.05) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.68 (+0.20, -0.15) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.96 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.40 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
561.35 (588)
Spectrum exposure17.5 ks

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