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Swift-XRT spectra of GRB 180925A

Last updated after receiving ObsID 00863421002, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 115 to 34294 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+181 s

NH (Galactic)3.28 × 1020 cm-2
NH (intrinsic)2.2 (+0.4, -0.4) × 1021 cm-2
z of absorber0
Photon index1.54 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
8.1 (+0.4, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.8 (+0.4, -0.4) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.66 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.61 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
575.87 (594)
Spectrum exposure191 s

PC mode. Mean photon arrival: T0+2226 s

NH (Galactic)3.28 × 1020 cm-2
NH (intrinsic)1.3 (+0.6, -0.6) × 1021 cm-2
z of absorber0
Photon index1.81 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
4.2 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.2 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.86 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.81 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
266.84 (303)
Spectrum exposure8.6 ks

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Late Time spectrum (T0 + 5305 to 34294 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10456 s

NH (Galactic)3.28 × 1020 cm-2
NH (intrinsic)1.6 (+2.2, -1.6) × 1021 cm-2
z of absorber0
Photon index1.9 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
8.5 (+3.2, -2.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.11 (+0.29, -0.23) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.77 × 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?
54.63 (67)
Spectrum exposure6.9 ks

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