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Swift-XRT spectra of GRB 180828A

Last updated after receiving ObsID 00856977000, version 19

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 121 to 40217 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+137 s

NH (Galactic)1.38 × 1022 cm-2
NH (intrinsic)2.25 (+1.12, -0.86) × 1023 cm-2
z of absorber0
Photon index2.17 (+1.21, -0.99)
Flux (0.3-10 keV)
(Observed)
7.6 (+1.8, -1.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5 (+33, -3) × 10-9 erg cm-2 s-1
Counts to flux (obs)1.20 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)7.77 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
116.87 (141)
Spectrum exposure32 s

PC mode. Mean photon arrival: T0+17758 s

NH (Galactic)1.38 × 1022 cm-2
NH (intrinsic)1.6 (+1.5, -1.1) × 1023 cm-2
z of absorber0
Photon index1.2 (+1.4, -1.3)
Flux (0.3-10 keV)
(Observed)
3.0 (+1.0, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.6 (+32.8, -2.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)1.67 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)3.61 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
97.78 (122)
Spectrum exposure8.8 ks

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Late Time spectrum (T0 + 4894 to 40217 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17758 s

NH (Galactic)1.38 × 1022 cm-2
NH (intrinsic)1.6 (+1.5, -1.1) × 1023 cm-2
z of absorber0
Photon index1.2 (+1.4, -1.3)
Flux (0.3-10 keV)
(Observed)
3.0 (+1.0, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.6 (+33.3, -2.2) × 10-12 erg cm-2 s-1
Counts to flux (obs)1.67 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)3.61 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
97.82 (122)
Spectrum exposure8.8 ks

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