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Swift-XRT spectra of GRB 170810A

Last updated after receiving ObsID 00767284005, version 8

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 82 to 57838 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+184 s

NH (Galactic)2.23 × 1020 cm-2
NH (intrinsic)2.8 (+1.0, -0.9) × 1020 cm-2
z of absorber0
Photon index1.60 (+0.04, -0.04)
Flux (0.3-10 keV)
(Observed)
1.44 (+0.03, -0.03) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.544 (+0.029, -0.028) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.99 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.27 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
680.03 (743)
Spectrum exposure387 s

PC mode. Mean photon arrival: T0+14660 s

NH (Galactic)2.23 × 1020 cm-2
NH (intrinsic)3.3 (+2.1, -2.0) × 1020 cm-2
z of absorber0
Photon index1.87 (+0.09, -0.09)
Flux (0.3-10 keV)
(Observed)
6.7 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.52 (+0.34, -0.29) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.48 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.89 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
384.64 (464)
Spectrum exposure22.0 ks

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Late Time spectrum (T0 + 4644 to 57838 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19904 s

NH (Galactic)2.23 × 1020 cm-2
NH (intrinsic)5.6 (+2.7, -2.5) × 1020 cm-2
z of absorber0
Photon index1.86 (+0.11, -0.10)
Flux (0.3-10 keV)
(Observed)
4.18 (+0.28, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.83 (+0.26, -0.23) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.53 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.08 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
355.57 (419)
Spectrum exposure21.0 ks

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