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Swift-XRT spectra of GRB 180205A

Last updated after receiving ObsID 00808625012, version 14

Data were analysed using HEASOFT version 6.35.2

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The spectral fits assume a redshift: 1.409 (GCN 22384)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 180 to 33808 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+211 s

NH (Galactic)3.44 × 1020 cm-2
NH (intrinsic)1.01 (+0.30, -0.26) × 1022 cm-2
z of absorber1.409
Photon index2.69 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
3.45 (+0.27, -0.26) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.4 (+0.9, -0.7) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.45 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
270.17 (283)
Spectrum exposure85 s

PC mode. Mean photon arrival: T0+6439 s

NH (Galactic)3.44 × 1020 cm-2
NH (intrinsic)5.0 (+3.3, -2.8) × 1021 cm-2
z of absorber1.409
Photon index1.91 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
9.2 (+0.9, -0.8) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.10 (+0.09, -0.08) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
255.49 (305)
Spectrum exposure4.9 ks

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Late Time spectrum (T0 + 5041 to 33808 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10110 s

NH (Galactic)3.44 × 1020 cm-2
NH (intrinsic)7 (+6, -5) × 1021 cm-2
z of absorber1.409
Photon index1.81 (+0.21, -0.20)
Flux (0.3-10 keV)
(Observed)
4.4 (+0.6, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.3 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.68 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.42 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
191.53 (237)
Spectrum exposure4.4 ks

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