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Swift-XRT spectra of GRB 080413A

Last updated after receiving ObsID 00309096001, version 13

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.43 (GCN 7602)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 67 to 21458 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+93 s

NH (Galactic)1.34 × 1021 cm-2
NH (intrinsic)2.0 (+0.6, -0.6) × 1022 cm-2
z of absorber2.43
Photon index2.99 (+0.16, -0.15)
Flux (0.3-10 keV)
(Observed)
4.56 (+0.28, -0.26) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.16 (+0.17, -0.13) × 10-9 erg cm-2 s-1
Counts to flux (obs)2.37 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.00 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
275.03 (272)
Spectrum exposure82 s

PC mode. Mean photon arrival: T0+3794 s

NH (Galactic)1.34 × 1021 cm-2
NH (intrinsic)1.3 (+10.9, -1.3) × 1021 cm-2
z of absorber2.43
Photon index2.03 (+0.23, -0.17)
Flux (0.3-10 keV)
(Observed)
4.0 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.2 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.35 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.38 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
141.60 (188)
Spectrum exposure5.0 ks

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Late Time spectrum (T0 + 4515 to 21458 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+7433 s

NH (Galactic)1.34 × 1021 cm-2
NH (intrinsic)2.8 (+17.4, -2.8) × 1021 cm-2
z of absorber2.43
Photon index1.93 (+0.33, -0.25)
Flux (0.3-10 keV)
(Observed)
1.49 (+0.31, -0.27) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.89 (+0.33, -0.26) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.54 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.52 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
86.78 (117)
Spectrum exposure4.8 ks

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