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Swift-XRT spectra of GRB 070518

Last updated after receiving ObsID 00279592015, version 15

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 76 to 272854 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+153 s

NH (Galactic)1.57 × 1020 cm-2
NH (intrinsic)7.0 (+2.0, -1.9) × 1020 cm-2
z of absorber0
Photon index2.489 (+0.104, -0.100)
Flux (0.3-10 keV)
(Observed)
4.51 (+0.21, -0.20) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.25 (+0.28, -0.37) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.63 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.65 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
361.70 (395)
Spectrum exposure178 s

PC mode. Mean photon arrival: T0+32182 s

NH (Galactic)1.57 × 1020 cm-2
NH (intrinsic)1.3 (+5.3, -1.3) × 1020 cm-2
z of absorber0
Photon index2.06 (+0.28, -0.20)
Flux (0.3-10 keV)
(Observed)
3.0 (+0.4, -0.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.2 (+0.4, -0.3) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.09 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.35 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
136.64 (179)
Spectrum exposure46.4 ks

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Late Time spectrum (T0 + 5105 to 272854 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+59533 s

NH (Galactic)1.57 × 1020 cm-2
NH (intrinsic)3 (+8, -3) × 1020 cm-2
z of absorber0
Photon index2.0 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
1.48 (+0.35, -0.28) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.69 (+0.31, -0.28) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.08 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.51 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
99.42 (121)
Spectrum exposure44.9 ks

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