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Swift-XRT spectra of GRB 250809A

Last updated after receiving ObsID 01340954001, version 10

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 131 to 55058 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+264 s

NH (Galactic)8.03 × 1021 cm-2
NH (intrinsic)1.24 (+0.18, -0.17) × 1022 cm-2
z of absorber0
Photon index2.41 (+0.13, -0.13)
Flux (0.3-10 keV)
(Observed)
1.20 (+0.06, -0.05) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.0 (+0.7, -0.5) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.88 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.63 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
523.98 (598)
Spectrum exposure144 s

PC mode. Mean photon arrival: T0+2580 s

NH (Galactic)8.03 × 1021 cm-2
NH (intrinsic)6 (+8, -6) × 1021 cm-2
z of absorber0
Photon index2.4 (+0.7, -0.6)
Flux (0.3-10 keV)
(Observed)
2.2 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.3 (+9.4, -2.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.56 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.31 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
94.51 (99)
Spectrum exposure6.1 ks

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Late Time spectrum (T0 + 4424 to 55058 s)

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PC mode. Mean photon arrival: T0+32857 s

Can't find a valid fit for this spectrum

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