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Swift-XRT spectra of GRB 070808

Last updated after receiving ObsID 00287260003, version 22

Data were analysed using HEASOFT version 6.15.1

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 118 to 77008 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+126 s

NH (Galactic)3.06 × 1020 cm-2
NH (intrinsic)7 (+5, -4) × 1021 cm-2
z of absorber0
Photon index1.6 (+0.6, -0.6)
Flux (0.3-10 keV)
(Observed)
4.2 (+1.5, -1.1) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.1 (+2.9, -1.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.52 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.04 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
85.43 (89)
Spectrum exposure15 s

PC mode. Mean photon arrival: T0+5755 s

NH (Galactic)3.06 × 1020 cm-2
NH (intrinsic)8.6 (+2.4, -2.1) × 1021 cm-2
z of absorber0
Photon index2.01 (+0.30, -0.28)
Flux (0.3-10 keV)
(Observed)
1.20 (+0.17, -0.14) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.4 (+0.8, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.13 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.03 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
212.25 (256)
Spectrum exposure20.7 ks

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Late Time spectrum (T0 + 5082 to 77008 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23616 s

NH (Galactic)3.06 × 1020 cm-2
NH (intrinsic)1.0 (+0.5, -0.4) × 1022 cm-2
z of absorber0
Photon index3.60 (+1.03, -0.84)
Flux (0.3-10 keV)
(Observed)
1.5 (+0.5, -0.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.2 (+10.0, -1.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.81 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.13 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
41.62 (64)
Spectrum exposure19.0 ks

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