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Swift-XRT spectra of GRB 181202A

Last updated after receiving ObsID 00874334004, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 89 to 45971 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+93 s

NH (Galactic)1.67 × 1021 cm-2
NH (intrinsic)1.95 (+1.75, -0.60) × 1023 cm-2
z of absorber0
Photon index6 (+85, -8)
Flux (0.3-10 keV)
(Observed)
8.0 (+20.0, -6.6) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5 (+1.00 × 109, +72) × 10-9 erg cm-2 s-1
Counts to flux (obs)8.10 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)4.99 × 10-9 erg cm-2 ct-1
W-stat (dof)
What's this?
2.22 (6)
Spectrum exposure11 s

PC mode. Mean photon arrival: T0+7500 s

NH (Galactic)1.67 × 1021 cm-2
NH (intrinsic)6.3 (+10.3, -6.3) × 1020 cm-2
z of absorber0
Photon index1.68 (+0.22, -0.21)
Flux (0.3-10 keV)
(Observed)
2.7 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.38 (+0.35, -0.29) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.32 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
187.53 (255)
Spectrum exposure9.9 ks

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Late Time spectrum (T0 + 4817 to 45971 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19300 s

NH (Galactic)1.67 × 1021 cm-2
NH (intrinsic)2.6 (+191.8, -2.6) × 1019 cm-2
z of absorber0
Photon index1.35 (+0.35, -0.20)
Flux (0.3-10 keV)
(Observed)
1.22 (+0.25, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.36 (+0.25, -0.19) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.19 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.79 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
108.50 (128)
Spectrum exposure8.4 ks

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