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Swift-XRT spectra of GRB 191004B

Last updated after receiving ObsID 00927839991, version 0

Data were analysed using HEASOFT version 6.26.1

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The spectral fits assume a redshift: 3.503 (GCN 25956)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 64 to 46265 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+114 s

NH (Galactic)1.93 × 1020 cm-2
NH (intrinsic)2.1 (+6.3, -2.1) × 1021 cm-2
z of absorber3.503
Photon index1.73 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
4.81 (+0.29, -0.29) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.04 (+0.26, -0.25) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.61 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.78 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
370.15 (452)
Spectrum exposure142 s

PC mode. Mean photon arrival: T0+12286 s

NH (Galactic)1.93 × 1020 cm-2
NH (intrinsic)7.4 (+18.5, -7.4) × 1021 cm-2
z of absorber3.503
Photon index1.61 (+0.20, -0.18)
Flux (0.3-10 keV)
(Observed)
5.6 (+0.9, -0.8) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.9 (+0.8, -0.7) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.04 × 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?
156.48 (204)
Spectrum exposure5.0 ks

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Late Time spectrum (T0 + 38073 to 46265 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+41646 s

NH (Galactic)1.93 × 1020 cm-2
NH (intrinsic)0 (+2.44 × 1022, -0) cm-2
z of absorber3.503
Photon index1.65 (+0.40, -0.21)
Flux (0.3-10 keV)
(Observed)
8.4 (+1.7, -2.0) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.7 (+1.9, -1.9) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.80 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.92 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
65.07 (76)
Spectrum exposure4.8 ks

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