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Swift-XRT spectra of GRB 180704A

Last updated after receiving ObsID 00846088002, version 10

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 3206 to 67972 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+3209 s

NH (Galactic)4.92 × 1021 cm-2
NH (intrinsic)0 (+9.90 × 1022, -0) cm-2
z of absorber0
Photon index1.4 (+2.8, -1.6)
Flux (0.3-10 keV)
(Observed)
1.9 (+5.3, -1.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.4 (+4.0, -1.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)6.39 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.88 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
7.41 (3)
Spectrum exposure5 s

PC mode. Mean photon arrival: T0+14017 s

NH (Galactic)4.92 × 1021 cm-2
NH (intrinsic)2.74 (+1.03, -0.96) × 1021 cm-2
z of absorber0
Photon index1.84 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
7.7 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.24 (+0.09, -0.08) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.89 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.81 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
501.79 (537)
Spectrum exposure21.8 ks

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Late Time spectrum (T0 + 4000 to 67972 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15564 s

NH (Galactic)4.92 × 1021 cm-2
NH (intrinsic)2.4 (+1.1, -1.0) × 1021 cm-2
z of absorber0
Photon index1.77 (+0.13, -0.12)
Flux (0.3-10 keV)
(Observed)
6.6 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.00 (+0.04, -0.06) × 10-11 erg cm-2 s-1
Counts to flux (obs)5.03 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.65 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
504.40 (519)
Spectrum exposure21.1 ks

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