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Swift-XRT spectra of GRB 180425A

Last updated after receiving ObsID 00828672008, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 84 to 45734 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+135 s

NH (Galactic)2.90 × 1020 cm-2
NH (intrinsic)1.0 (+0.4, -0.4) × 1021 cm-2
z of absorber0
Photon index2.01 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
2.79 (+0.24, -0.22) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.58 (+0.25, -0.19) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.25 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.17 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
296.73 (366)
Spectrum exposure132 s

PC mode. Mean photon arrival: T0+5816 s

NH (Galactic)2.90 × 1020 cm-2
NH (intrinsic)8 (+5, -4) × 1020 cm-2
z of absorber0
Photon index1.99 (+0.19, -0.18)
Flux (0.3-10 keV)
(Observed)
4.4 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.4 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.34 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.15 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
221.90 (265)
Spectrum exposure10.1 ks

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Late Time spectrum (T0 + 4839 to 45734 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15731 s

NH (Galactic)2.90 × 1020 cm-2
NH (intrinsic)1.18 (+1.07, -0.88) × 1021 cm-2
z of absorber0
Photon index2.1 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
9.8 (+2.0, -1.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.31 (+0.21, -0.19) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.29 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
118.00 (136)
Spectrum exposure9.0 ks

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