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Swift-XRT spectra of GRB 191004B

Last updated after receiving ObsID 00927839001, version 1

Data were analysed using HEASOFT version 6.22

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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+115 s

NH (Galactic)1.93 × 1020 cm-2
NH (intrinsic)1.4 (+6.8, -1.4) × 1021 cm-2
z of absorber3.503
Photon index1.75 (+0.09, -0.07)
Flux (0.3-10 keV)
(Observed)
4.75 (+0.28, -0.29) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.97 (+0.26, -0.25) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.53 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.70 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
403.00 (452)
Spectrum exposure142 s

PC mode. Mean photon arrival: T0+13815 s

NH (Galactic)1.93 × 1020 cm-2
NH (intrinsic)2.0 (+178.9, -2.0) × 1020 cm-2
z of absorber3.503
Photon index1.54 (+0.21, -0.14)
Flux (0.3-10 keV)
(Observed)
5.4 (+0.8, -0.8) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.5 (+0.8, -0.7) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.17 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.28 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
145.65 (181)
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+41614 s

NH (Galactic)1.93 × 1020 cm-2
NH (intrinsic)0 (+2.12 × 1022, -0) cm-2
z of absorber3.503
Photon index1.64 (+0.39, -0.19)
Flux (0.3-10 keV)
(Observed)
8.7 (+1.9, -2.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.0 (+1.8, -2.0) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.82 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.95 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
52.36 (74)
Spectrum exposure4.8 ks

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