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Swift-XRT spectra of GRB 080319D

Last updated after receiving ObsID 00306793006, version 21

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 151 to 39825 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+154 s

NH (Galactic)3.20 × 1021 cm-2
NH (intrinsic)1.33 (+2.55, -0.97) × 1022 cm-2
z of absorber0
Photon index2.7 (+1.5, -1.9)
Flux (0.3-10 keV)
(Observed)
2.0 (+3.0, -1.0) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.8 (+22.7, -5.7) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.75 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.68 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
11.37 (20)
Spectrum exposure7 s

PC mode. Mean photon arrival: T0+1417 s

NH (Galactic)3.20 × 1021 cm-2
NH (intrinsic)3.3 (+10.1, -3.3) × 1020 cm-2
z of absorber0
Photon index1.75 (+0.18, -0.15)
Flux (0.3-10 keV)
(Observed)
1.80 (+0.19, -0.17) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.43 (+0.16, -0.19) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.43 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.98 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
262.78 (337)
Spectrum exposure6.6 ks

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Late Time spectrum (T0 + 5431 to 39825 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18909 s

NH (Galactic)3.20 × 1021 cm-2
NH (intrinsic)0 (+5.80 × 1021, -0) cm-2
z of absorber0
Photon index2.44 (+1.21, -0.45)
Flux (0.3-10 keV)
(Observed)
2.79 (+1.07, -0.91) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.5 (+16.3, -2.4) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.00 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.86 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
34.94 (34)
Spectrum exposure5.4 ks

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