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Swift-XRT spectra of GRB 130603B

Last updated after receiving ObsID 00557310006, version 10

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 0.356 (GCN 14744)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 62 to 51694 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+345 s

NH (Galactic)2.10 × 1020 cm-2
NH (intrinsic)4.0 (+1.7, -1.4) × 1021 cm-2
z of absorber0.356
Photon index1.72 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
8.47 (+1.00, -0.91) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.06 (+0.10, -0.09) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.99 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.00 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
295.78 (336)
Spectrum exposure372 s

PC mode. Mean photon arrival: T0+8023 s

NH (Galactic)2.10 × 1020 cm-2
NH (intrinsic)4.38 (+1.01, -0.92) × 1021 cm-2
z of absorber0.356
Photon index1.97 (+0.14, -0.13)
Flux (0.3-10 keV)
(Observed)
3.9 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.5 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.65 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
348.54 (351)
Spectrum exposure12.7 ks

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Late Time spectrum (T0 + 4000 to 51694 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10177 s

NH (Galactic)2.10 × 1020 cm-2
NH (intrinsic)4.5 (+1.1, -1.0) × 1021 cm-2
z of absorber0.356
Photon index1.98 (+0.15, -0.15)
Flux (0.3-10 keV)
(Observed)
3.24 (+0.31, -0.28) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.6 (+0.4, -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)5.14 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
290.82 (322)
Spectrum exposure12.5 ks

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