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Swift-XRT spectra of GRB 080919

Last updated after receiving ObsID 00325268003, version 19

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 74 to 41561 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+86 s

NH (Galactic)4.01 × 1021 cm-2
NH (intrinsic)4 (+8, -4) × 1021 cm-2
z of absorber0
Photon index2.0 (+0.9, -0.8)
Flux (0.3-10 keV)
(Observed)
1.3 (+0.6, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.4 (+3.3, -0.8) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.99 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.29 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
36.72 (51)
Spectrum exposure22 s

PC mode. Mean photon arrival: T0+1010 s

NH (Galactic)4.01 × 1021 cm-2
NH (intrinsic)1.49 (+1.06, -0.78) × 1022 cm-2
z of absorber0
Photon index2.8 (+0.9, -0.7)
Flux (0.3-10 keV)
(Observed)
5.4 (+1.6, -1.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.9 (+8.6, -1.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.36 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
83.17 (104)
Spectrum exposure18.5 ks

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Late Time spectrum (T0 + 5256 to 41561 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9082 s

NH (Galactic)4.01 × 1021 cm-2
NH (intrinsic)6 (+7, -6) × 1022 cm-2
z of absorber0
Photon index8 (+72, -6)
Flux (0.3-10 keV)
(Observed)
9.8 (+15.8, -6.8) × 10-15 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9 (+1.00 × 1013, -9) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.20 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.11 × 10-9 erg cm-2 ct-1
W-stat (dof)
What's this?
6.32 (6)
Spectrum exposure16.6 ks

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