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Swift-XRT spectra of GRB 131030A

Last updated after receiving ObsID 00576238021, version 7

Data were analysed using HEASOFT version 6.26.1

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The spectral fits assume a redshift: 1.293 (GCN 15407)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 82 to 52961 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+330 s

NH (Galactic)5.62 × 1020 cm-2
NH (intrinsic)2.9 (+0.4, -0.4) × 1021 cm-2
z of absorber1.293
Photon index2.006 (+0.025, -0.025)
Flux (0.3-10 keV)
(Observed)
1.285 (+0.020, -0.020) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.581 (+0.021, -0.021) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.26 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.01 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
844.78 (750)
Spectrum exposure993 s

PC mode. Mean photon arrival: T0+21971 s

NH (Galactic)5.62 × 1020 cm-2
NH (intrinsic)4.4 (+1.7, -1.6) × 1021 cm-2
z of absorber1.293
Photon index1.935 (+0.100, -0.098)
Flux (0.3-10 keV)
(Observed)
9.4 (+0.6, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.17 (+0.06, -0.06) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.47 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.31 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
358.47 (403)
Spectrum exposure6.9 ks

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Late Time spectrum (T0 + 4271 to 52961 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21971 s

NH (Galactic)5.62 × 1020 cm-2
NH (intrinsic)4.4 (+1.7, -1.6) × 1021 cm-2
z of absorber1.293
Photon index1.935 (+0.100, -0.098)
Flux (0.3-10 keV)
(Observed)
9.4 (+0.6, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.17 (+0.06, -0.06) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.47 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.31 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
358.47 (403)
Spectrum exposure6.9 ks

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