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Swift-XRT spectra of GRB 181203A

Last updated after receiving ObsID 00874475001, version 4

Data were analysed using HEASOFT version 6.22

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 79 to 18607 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+92 s

NH (Galactic)2.26 × 1021 cm-2
NH (intrinsic)2.5 (+3.6, -2.2) × 1021 cm-2
z of absorber0
Photon index3.39 (+1.43, -0.80)
Flux (0.3-10 keV)
(Observed)
7.8 (+2.2, -1.9) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.1 (+2.7, -2.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.08 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.09 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
79.33 (94)
Spectrum exposure36 s

PC mode. Mean photon arrival: T0+1658 s

NH (Galactic)2.26 × 1021 cm-2
NH (intrinsic)0 (+8.31 × 1020, -0) cm-2
z of absorber0
Photon index1.84 (+0.29, -0.17)
Flux (0.3-10 keV)
(Observed)
1.63 (+0.28, -0.30) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.1 (+0.3, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.88 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.08 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
95.52 (123)
Spectrum exposure4.2 ks

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Late Time spectrum (T0 + 4957 to 18607 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8091 s

NH (Galactic)2.26 × 1021 cm-2
NH (intrinsic)0 (+4.36 × 1021, -0) cm-2
z of absorber0
Photon index1.46 (+1.02, -0.39)
Flux (0.3-10 keV)
(Observed)
5.0 (+3.3, -2.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.0 (+2.4, -2.4) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.75 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.71 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
22.99 (21)
Spectrum exposure2.9 ks

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