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Swift-XRT spectra of GRB 140423A

Last updated after receiving ObsID 00596901006, version 7

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 3.26 (GCN 16150)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 2947 to 39966 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+2949 s

NH (Galactic)1.09 × 1020 cm-2
NH (intrinsic)0 (+5.71 × 1022, -0) cm-2
z of absorber3.26
Photon index1.7 (+1.4, -1.2)
Flux (0.3-10 keV)
(Observed)
9.5 (+28.5, -5.5) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.01 (+2.25, -0.57) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.07 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.33 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
6.61 (5)
Spectrum exposure6 s

PC mode. Mean photon arrival: T0+10894 s

NH (Galactic)1.09 × 1020 cm-2
NH (intrinsic)1.1 (+0.5, -0.5) × 1022 cm-2
z of absorber3.26
Photon index2.03 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
8.5 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.6 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.15 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.55 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
368.47 (401)
Spectrum exposure11.3 ks

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Late Time spectrum (T0 + 4000 to 39966 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13153 s

NH (Galactic)1.09 × 1020 cm-2
NH (intrinsic)1.2 (+0.6, -0.5) × 1022 cm-2
z of absorber3.26
Photon index2.02 (+0.10, -0.09)
Flux (0.3-10 keV)
(Observed)
7.1 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.0 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.17 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.60 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
340.01 (372)
Spectrum exposure10.2 ks

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