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Swift-XRT spectra of GRB 170531A

Last updated after receiving ObsID 00755343002, version 6

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 254 to 44628 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+12660 s

NH (Galactic)1.20 × 1021 cm-2
NH (intrinsic)5 (+10, -5) × 1021 cm-2
z of absorber0
Photon index2.3 (+1.5, -1.1)
Flux (0.3-10 keV)
(Observed)
2.7 (+2.4, -1.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.5 (+17.6, -2.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.87 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.02 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
30.53 (23)
Spectrum exposure6.2 ks

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Late Time spectrum (T0 + 4000 to 44628 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+27818 s

NH (Galactic)1.20 × 1021 cm-2
NH (intrinsic)0 (+1.50 × 1022, -0) cm-2
z of absorber0
Photon index0.1 (+3.2, -0.8)
Flux (0.3-10 keV)
(Observed)
6 (+6, -5) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6 (+7, -5) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.11 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)2.28 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
11.93 (8)
Spectrum exposure5.7 ks

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