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Swift-XRT spectra of GRB 140515A

Last updated after receiving ObsID 00599037012, version 11

Data were analysed using HEASOFT version 6.26.1

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The spectral fits assume a redshift: 6.32 (GCN 16269)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 79 to 58923 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+81 s

NH (Galactic)2.54 × 1020 cm-2
NH (intrinsic)8.6 (+26.8, -8.6) × 1023 cm-2
z of absorber6.32
Photon index3.4 (+4.2, -2.3)
Flux (0.3-10 keV)
(Observed)
9 (+10, -4) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.7 (+7.3, -2.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)1.94 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.05 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
9.52 (15)
Spectrum exposure5 s

PC mode. Mean photon arrival: T0+10177 s

NH (Galactic)2.54 × 1020 cm-2
NH (intrinsic)4 (+4, -3) × 1022 cm-2
z of absorber6.32
Photon index1.77 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
3.97 (+0.32, -0.29) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.37 (+0.29, -0.27) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.64 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.01 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
350.26 (359)
Spectrum exposure10.9 ks

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Late Time spectrum (T0 + 5361 to 58923 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12164 s

NH (Galactic)2.54 × 1020 cm-2
NH (intrinsic)4 (+4, -3) × 1022 cm-2
z of absorber6.32
Photon index1.78 (+0.13, -0.12)
Flux (0.3-10 keV)
(Observed)
4.0 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.4 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.61 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.98 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
303.88 (328)
Spectrum exposure8.8 ks

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