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Swift-XRT spectra of GRB 070529

Last updated after receiving ObsID 00280706007, version 16

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.5 (GCN 6470)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 137 to 126687 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+142 s

NH (Galactic)3.03 × 1021 cm-2
NH (intrinsic)7 (+9, -6) × 1022 cm-2
z of absorber2.5
Photon index2.9 (+0.8, -0.6)
Flux (0.3-10 keV)
(Observed)
2.2 (+0.7, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.8 (+13.3, -3.4) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.43 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.57 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
54.42 (74)
Spectrum exposure11 s

PC mode. Mean photon arrival: T0+7320 s

NH (Galactic)3.03 × 1021 cm-2
NH (intrinsic)2.1 (+2.5, -1.9) × 1022 cm-2
z of absorber2.5
Photon index1.84 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
2.38 (+0.25, -0.23) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.39 (+0.33, -0.28) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.18 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.96 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
267.49 (338)
Spectrum exposure21.7 ks

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Late Time spectrum (T0 + 4438 to 126687 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13995 s

NH (Galactic)3.03 × 1021 cm-2
NH (intrinsic)3 (+4, -3) × 1022 cm-2
z of absorber2.5
Photon index1.91 (+0.26, -0.24)
Flux (0.3-10 keV)
(Observed)
8.3 (+1.3, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.24 (+0.22, -0.15) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.07 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
165.37 (225)
Spectrum exposure20.6 ks

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