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Swift-XRT spectra of GRB 080310

Last updated after receiving ObsID 00305288008, version 17.

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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 51971 s)

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WT and PC mode spectra of GRB 080310

WT mode. Mean photon arrival: T0+356 s

NH (Galactic)3.3 × 1020 cm-2
NH (intrinsic)6.45 (+0.52, -0.51) × 1021 cm-2
z of absorber2.43
Photon index1.692 (+0.017, -0.017)
Flux (0.3-10 keV)
(Observed)
2.526 (+0.031, -0.031) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.874 (+0.033, -0.027) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.9 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.4 × 10-11 erg cm-2 ct-1
C-stat (dof)820.59 (855)
Exposure time708 s

PC mode. Mean photon arrival: T0+14226 s

NH (Galactic)3.3 × 1020 cm-2
NH (intrinsic)0 (+6.6 × 1020, -0) cm-2
z of absorber2.43
Photon index2.094 (+0.067, -0.065)
Flux (0.3-10 keV)
(Observed)
3.49 (+0.18, -0.16) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.9174 (+0.0036, -0.3888) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.4 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.8 × 10-11 erg cm-2 ct-1
C-stat (dof)325.42 (389)
Exposure time17.7 ks

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Late Time spectrum (T0 + 4738 to 51971 s)

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PC mode spectrum of GRB 080310

PC mode. Mean photon arrival: T0+19012 s

NH (Galactic)3.3 × 1020 cm-2
NH (intrinsic)3.2 (+3.0, -2.8) × 1021 cm-2
z of absorber2.43
Photon index1.95 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
2.65 (+0.20, -0.18) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.07 (+0.20, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.6 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.1 × 10-11 erg cm-2 ct-1
C-stat (dof)289.74 (365)
Exposure time17.0 ks

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