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Swift-XRT spectra of GRB 131030A

Last updated after receiving ObsID 00576238021, version 7

Data were analysed using HEASOFT version 6.32

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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+324 s

NH (Galactic)5.62 × 1020 cm-2
NH (intrinsic)3.1 (+0.4, -0.4) × 1021 cm-2
z of absorber1.293
Photon index2.009 (+0.025, -0.025)
Flux (0.3-10 keV)
(Observed)
1.386 (+0.022, -0.021) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.715 (+0.023, -0.022) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.25 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.03 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
815.50 (754)
Spectrum exposure993 s

PC mode. Mean photon arrival: T0+22270 s

NH (Galactic)5.62 × 1020 cm-2
NH (intrinsic)4.4 (+1.8, -1.6) × 1021 cm-2
z of absorber1.293
Photon index1.96 (+0.10, -0.10)
Flux (0.3-10 keV)
(Observed)
1.02 (+0.07, -0.06) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.27 (+0.07, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.27 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
358.16 (389)
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+22270 s

NH (Galactic)5.62 × 1020 cm-2
NH (intrinsic)4.4 (+1.8, -1.6) × 1021 cm-2
z of absorber1.293
Photon index1.96 (+0.10, -0.10)
Flux (0.3-10 keV)
(Observed)
1.02 (+0.07, -0.06) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.27 (+0.07, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.27 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
358.16 (389)
Spectrum exposure6.9 ks

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