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Swift-XRT spectra of GRB 090831C

Last updated after receiving ObsID 00361489001, version 11

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 128 to 87964 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+10536 s

NH (Galactic)4.66 × 1021 cm-2
NH (intrinsic)6.2 (+17.4, -6.2) × 1020 cm-2
z of absorber0
Photon index1.76 (+0.23, -0.19)
Flux (0.3-10 keV)
(Observed)
1.22 (+0.16, -0.14) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.75 (+0.23, -0.16) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.77 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.86 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
262.73 (297)
Spectrum exposure37.0 ks

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Late Time spectrum (T0 + 4447 to 87964 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+31390 s

NH (Galactic)4.66 × 1021 cm-2
NH (intrinsic)0 (+8.13 × 1020, -0) cm-2
z of absorber0
Photon index1.86 (+0.26, -0.19)
Flux (0.3-10 keV)
(Observed)
3.0 (+0.7, -0.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.0 (+0.9, -0.9) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.17 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.62 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
116.22 (140)
Spectrum exposure35.9 ks

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