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Swift-XRT spectra of GRB 181213A

Last updated after receiving ObsID 00876016002, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 2346 to 37925 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+2349 s

NH (Galactic)4.49 × 1020 cm-2
NH (intrinsic)2.9 (-2.9, -2.9) × 1021 cm-2
z of absorber0
Photon index2.1 (-2.1, -1.6)
Flux (0.3-10 keV)
(Observed)
4 (+5, +99999999996) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6 (+1.00 × 1011, +99999999994) × 10-11 erg cm-2 s-1
Counts to flux (obs)2.10 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.25 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
6.72 (5)
Spectrum exposure7 s

PC mode. Mean photon arrival: T0+9665 s

NH (Galactic)4.49 × 1020 cm-2
NH (intrinsic)4 (+6, -4) × 1020 cm-2
z of absorber0
Photon index2.09 (+0.24, -0.22)
Flux (0.3-10 keV)
(Observed)
1.60 (+0.22, -0.19) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.97 (+0.22, -0.20) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.86 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
164.66 (211)
Spectrum exposure10.7 ks

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Late Time spectrum (T0 + 8328 to 37925 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18988 s

NH (Galactic)4.49 × 1020 cm-2
NH (intrinsic)1.7 (+1.3, -1.1) × 1021 cm-2
z of absorber0
Photon index2.6 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
6.1 (+1.3, -1.0) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.13 (+0.57, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.73 × 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?
103.98 (111)
Spectrum exposure9.7 ks

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