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Swift-XRT spectra of GRB 100905A

Last updated after receiving ObsID 00433442002, version 11

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 78 to 57551 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+327 s

NH (Galactic)6.57 × 1020 cm-2
NH (intrinsic)1.0 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index2.57 (+0.26, -0.23)
Flux (0.3-10 keV)
(Observed)
2.59 (+0.28, -0.25) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.5 (+1.0, -0.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.44 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
221.95 (247)
Spectrum exposure71 s

PC mode. Mean photon arrival: T0+4006 s

NH (Galactic)6.57 × 1020 cm-2
NH (intrinsic)5 (+5, -5) × 1020 cm-2
z of absorber0
Photon index1.89 (+0.19, -0.18)
Flux (0.3-10 keV)
(Observed)
2.55 (+0.30, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.12 (+0.28, -0.22) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.56 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.35 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
261.59 (281)
Spectrum exposure15.6 ks

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Late Time spectrum (T0 + 5244 to 57551 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16719 s

NH (Galactic)6.57 × 1020 cm-2
NH (intrinsic)8.6 (+18.2, -8.6) × 1020 cm-2
z of absorber0
Photon index1.9 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
4.18 (+1.23, -0.93) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.21 (+1.14, -0.99) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.68 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.59 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
66.46 (94)
Spectrum exposure13.7 ks

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