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Swift-XRT spectra of GRB 130511A

Last updated after receiving ObsID 00555600001, version 18

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 1.3033 (GCN 14621)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 78 to 100459 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+3046 s

NH (Galactic)2.26 × 1020 cm-2
NH (intrinsic)7.5 (+3.4, -2.9) × 1021 cm-2
z of absorber1.3033
Photon index1.87 (+0.17, -0.17)
Flux (0.3-10 keV)
(Observed)
1.80 (+0.22, -0.19) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.22 (+0.20, -0.19) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.62 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.45 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
256.94 (264)
Spectrum exposure17.9 ks

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Late Time spectrum (T0 + 7150 to 100459 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19973 s

NH (Galactic)2.26 × 1020 cm-2
NH (intrinsic)9.5 (+10.9, -7.8) × 1021 cm-2
z of absorber1.3033
Photon index2.5 (+0.7, -0.6)
Flux (0.3-10 keV)
(Observed)
1.5 (+0.6, -0.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.52 (+1.83, -0.70) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.73 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.51 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
33.97 (55)
Spectrum exposure15.9 ks

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