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Swift-XRT spectra of GRB 070808

Last updated after receiving ObsID 00287260003, version 23

Data were analysed using HEASOFT version 6.22

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 118 to 77021 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)9 (+7, -5) × 1021 cm-2
z of absorber0
Photon index1.6 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
4.3 (+1.6, -1.1) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.1 (+2.7, -1.2) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.55 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.86 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
85.15 (89)
Spectrum exposure15 s

PC mode. Mean photon arrival: T0+5751 s

NH (Galactic)3.06 × 1020 cm-2
NH (intrinsic)1.2 (+0.3, -0.3) × 1022 cm-2
z of absorber0
Photon index1.99 (+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)
2.3 (+0.7, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.00 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
211.72 (256)
Spectrum exposure20.7 ks

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Late Time spectrum (T0 + 5082 to 77021 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23792 s

NH (Galactic)3.06 × 1020 cm-2
NH (intrinsic)1.5 (+0.8, -0.6) × 1022 cm-2
z of absorber0
Photon index3.60 (+1.05, -0.85)
Flux (0.3-10 keV)
(Observed)
1.4 (+0.4, -0.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.1 (+8.9, -1.1) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.76 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.03 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
43.91 (63)
Spectrum exposure19.0 ks

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