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Swift-XRT spectra of GRB 100823A

Last updated after receiving ObsID 00432420003, version 14

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 75 to 22358 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+97 s

NH (Galactic)4.21 × 1020 cm-2
NH (intrinsic)2.5 (+1.0, -0.8) × 1021 cm-2
z of absorber0
Photon index3.1 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
1.68 (+0.23, -0.20) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.2 (+3.1, -0.8) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.27 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.09 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
149.59 (181)
Spectrum exposure60 s

PC mode. Mean photon arrival: T0+2361 s

NH (Galactic)4.21 × 1020 cm-2
NH (intrinsic)2.3 (+0.9, -0.8) × 1021 cm-2
z of absorber0
Photon index2.09 (+0.24, -0.23)
Flux (0.3-10 keV)
(Observed)
2.37 (+0.33, -0.28) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.57 (+0.40, -0.30) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.48 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.26 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
186.46 (228)
Spectrum exposure8.8 ks

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Late Time spectrum (T0 + 4054 to 22358 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8435 s

NH (Galactic)4.21 × 1020 cm-2
NH (intrinsic)2.7 (+1.9, -1.5) × 1021 cm-2
z of absorber0
Photon index2.6 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
4.9 (+1.5, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.04 (+0.79, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.86 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.01 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
62.89 (81)
Spectrum exposure8.0 ks

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