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Swift-XRT spectra of GRB 080307

Last updated after receiving ObsID 00305011032, version 22

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 105 to 74094 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+310 s

NH (Galactic)2.58 × 1020 cm-2
NH (intrinsic)3.2 (+1.6, -1.5) × 1020 cm-2
z of absorber0
Photon index1.40 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
5.15 (+0.20, -0.19) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.44 (+0.16, -0.14) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.58 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.84 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
703.05 (676)
Spectrum exposure507 s

PC mode. Mean photon arrival: T0+5278 s

NH (Galactic)2.58 × 1020 cm-2
NH (intrinsic)8 (+6, -6) × 1020 cm-2
z of absorber0
Photon index1.69 (+0.20, -0.19)
Flux (0.3-10 keV)
(Observed)
2.00 (+0.27, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.28 (+0.23, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.99 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.56 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
208.43 (255)
Spectrum exposure18.2 ks

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Late Time spectrum (T0 + 4320 to 74094 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11296 s

NH (Galactic)2.58 × 1020 cm-2
NH (intrinsic)1.32 (+1.15, -0.93) × 1021 cm-2
z of absorber0
Photon index1.9 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
4.81 (+1.12, -0.87) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.13 (+1.02, -0.89) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.68 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.68 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
93.06 (149)
Spectrum exposure17.7 ks

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