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Swift-XRT spectra of GRB 100508A

Last updated after receiving ObsID 00421386004, version 13

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 151 to 53513 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+160 s

NH (Galactic)2.61 × 1020 cm-2
NH (intrinsic)5.4 (+19.1, -5.4) × 1020 cm-2
z of absorber0
Photon index1.6 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
1.9 (+0.7, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.1 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.16 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.58 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
49.95 (53)
Spectrum exposure19 s

PC mode. Mean photon arrival: T0+10391 s

NH (Galactic)2.61 × 1020 cm-2
NH (intrinsic)8 (+4, -4) × 1020 cm-2
z of absorber0
Photon index1.40 (+0.11, -0.11)
Flux (0.3-10 keV)
(Observed)
6.0 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.5 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.85 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.28 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
433.33 (454)
Spectrum exposure15.1 ks

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Late Time spectrum (T0 + 5606 to 53513 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17424 s

NH (Galactic)2.61 × 1020 cm-2
NH (intrinsic)1.0 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index1.38 (+0.14, -0.14)
Flux (0.3-10 keV)
(Observed)
3.6 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.98 (+0.30, -0.29) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.00 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.50 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
299.87 (364)
Spectrum exposure13.8 ks

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