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Swift-XRT spectra of GRB 140818B

Last updated after receiving ObsID 00609885003, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 117 to 75157 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+15742 s

NH (Galactic)3.53 × 1021 cm-2
NH (intrinsic)2.5 (+2.0, -1.7) × 1021 cm-2
z of absorber0
Photon index2.28 (+0.32, -0.30)
Flux (0.3-10 keV)
(Observed)
9.2 (+1.4, -1.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.9 (+0.7, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.66 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.53 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
176.45 (198)
Spectrum exposure17.6 ks

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Late Time spectrum (T0 + 4322 to 75157 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+28335 s

NH (Galactic)3.53 × 1021 cm-2
NH (intrinsic)3.1 (+3.1, -2.4) × 1021 cm-2
z of absorber0
Photon index2.3 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
5.9 (+1.3, -1.0) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.3 (+0.6, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.62 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.01 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
122.67 (131)
Spectrum exposure16.6 ks

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