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Swift-XRT spectra of GRB 190828B

Last updated after receiving ObsID 00922808006, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 60 to 28114 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+92 s

NH (Galactic)6.84 × 1020 cm-2
NH (intrinsic)1.1 (+0.5, -0.4) × 1021 cm-2
z of absorber0
Photon index1.64 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
7.8 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.3 (+0.5, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.15 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.96 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
359.22 (466)
Spectrum exposure90 s

PC mode. Mean photon arrival: T0+4206 s

NH (Galactic)6.84 × 1020 cm-2
NH (intrinsic)8.6 (+3.1, -2.9) × 1020 cm-2
z of absorber0
Photon index1.973 (+0.101, -0.099)
Flux (0.3-10 keV)
(Observed)
3.19 (+0.19, -0.18) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.14 (+0.20, -0.19) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.45 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.49 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
399.50 (432)
Spectrum exposure4.6 ks

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Late Time spectrum (T0 + 5433 to 28114 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9919 s

NH (Galactic)6.84 × 1020 cm-2
NH (intrinsic)7 (+5, -5) × 1020 cm-2
z of absorber0
Photon index1.90 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
1.21 (+0.12, -0.11) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.52 (+0.12, -0.11) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.46 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
301.07 (297)
Spectrum exposure3.0 ks

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