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Swift-XRT spectra of GRB 100816A

Last updated after receiving ObsID 00431764014, version 6

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 0.8049 (GCN 11125)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 89 to 50090 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+139 s

NH (Galactic)5.71 × 1020 cm-2
NH (intrinsic)3.7 (+1.7, -1.6) × 1021 cm-2
z of absorber0.8049
Photon index1.95 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
3.3 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.2 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.40 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
306.08 (311)
Spectrum exposure110 s

PC mode. Mean photon arrival: T0+9321 s

NH (Galactic)5.71 × 1020 cm-2
NH (intrinsic)2.7 (+1.9, -1.7) × 1021 cm-2
z of absorber0.8049
Photon index1.83 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
2.02 (+0.24, -0.22) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.44 (+0.22, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.70 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.49 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
224.05 (266)
Spectrum exposure16.1 ks

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Late Time spectrum (T0 + 4001 to 50090 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14880 s

NH (Galactic)5.71 × 1020 cm-2
NH (intrinsic)4.3 (+2.8, -2.4) × 1021 cm-2
z of absorber0.8049
Photon index1.92 (+0.24, -0.22)
Flux (0.3-10 keV)
(Observed)
9.5 (+1.5, -1.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.22 (+0.15, -0.13) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.59 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.65 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
139.38 (200)
Spectrum exposure15.5 ks

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