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Swift-XRT spectra of GRB 080310

Last updated after receiving ObsID 00305288008, version 18

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.43 (GCN 7388)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 95 to 51976 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+366 s

NH (Galactic)3.75 × 1020 cm-2
NH (intrinsic)5.2 (+0.8, -0.8) × 1021 cm-2
z of absorber2.43
Photon index1.634 (+0.018, -0.018)
Flux (0.3-10 keV)
(Observed)
2.45 (+0.03, -0.03) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.675 (+0.028, -0.028) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.95 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.31 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
833.36 (855)
Spectrum exposure708 s

PC mode. Mean photon arrival: T0+15123 s

NH (Galactic)3.75 × 1020 cm-2
NH (intrinsic)0 (+1.62 × 1021, -0) cm-2
z of absorber2.43
Photon index1.94 (+0.09, -0.05)
Flux (0.3-10 keV)
(Observed)
3.71 (+0.20, -0.23) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.06 (+0.19, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.30 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.61 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
337.00 (369)
Spectrum exposure17.8 ks

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Late Time spectrum (T0 + 4738 to 51976 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19081 s

NH (Galactic)3.75 × 1020 cm-2
NH (intrinsic)5 (+5, -4) × 1021 cm-2
z of absorber2.43
Photon index1.86 (+0.11, -0.11)
Flux (0.3-10 keV)
(Observed)
2.90 (+0.23, -0.21) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.29 (+0.20, -0.19) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.50 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.97 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
323.46 (357)
Spectrum exposure17.0 ks

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