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Swift-XRT spectra of GRB 090807

Last updated after receiving ObsID 00359378003, version 15

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 159 to 117239 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+201 s

NH (Galactic)1.39 × 1021 cm-2
NH (intrinsic)2.9 (+0.3, -0.3) × 1021 cm-2
z of absorber0
Photon index1.89 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
1.92 (+0.06, -0.06) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.85 (+0.08, -0.09) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.13 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.15 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
659.33 (645)
Spectrum exposure149 s

PC mode. Mean photon arrival: T0+13285 s

NH (Galactic)1.39 × 1021 cm-2
NH (intrinsic)3.0 (+0.9, -0.8) × 1021 cm-2
z of absorber0
Photon index2.28 (+0.19, -0.18)
Flux (0.3-10 keV)
(Observed)
7.2 (+0.7, -0.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.37 (+0.22, -0.15) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.41 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.49 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
266.98 (328)
Spectrum exposure51.4 ks

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Late Time spectrum (T0 + 5108 to 117239 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17099 s

NH (Galactic)1.39 × 1021 cm-2
NH (intrinsic)3.02 (+1.05, -0.92) × 1021 cm-2
z of absorber0
Photon index2.32 (+0.23, -0.21)
Flux (0.3-10 keV)
(Observed)
5.2 (+0.6, -0.5) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.01 (+0.20, -0.14) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.35 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.56 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
250.26 (290)
Spectrum exposure49.8 ks

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