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Swift-XRT spectra of GRB 110503A

Last updated after receiving ObsID 00452685012, version 16

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.613 (GCN 11993)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 166 to 94405 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+418 s

NH (Galactic)2.84 × 1020 cm-2
NH (intrinsic)2.0 (+0.8, -0.8) × 1021 cm-2
z of absorber1.613
Photon index1.71 (+0.04, -0.04)
Flux (0.3-10 keV)
(Observed)
4.82 (+0.14, -0.13) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.23 (+0.12, -0.12) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.73 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.05 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
613.13 (669)
Spectrum exposure680 s

PC mode. Mean photon arrival: T0+22246 s

NH (Galactic)2.84 × 1020 cm-2
NH (intrinsic)2.5 (+1.2, -1.1) × 1021 cm-2
z of absorber1.613
Photon index1.83 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
6.55 (+0.27, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.28 (+0.24, -0.24) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.54 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.94 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
476.72 (562)
Spectrum exposure34.0 ks

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Late Time spectrum (T0 + 6208 to 94405 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+31232 s

NH (Galactic)2.84 × 1020 cm-2
NH (intrinsic)2.3 (+1.4, -1.3) × 1021 cm-2
z of absorber1.613
Photon index1.86 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
3.75 (+0.19, -0.18) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.18 (+0.17, -0.16) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.47 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.87 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
383.06 (491)
Spectrum exposure32.9 ks

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