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Swift-XRT spectra of GRB 111204A

Last updated after receiving ObsID 00509018001, version 7

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 143 to 39615 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+151 s

NH (Galactic)1.13 × 1020 cm-2
NH (intrinsic)3.7 (+14.4, -3.7) × 1021 cm-2
z of absorber0
Photon index1.3 (+1.3, -1.0)
Flux (0.3-10 keV)
(Observed)
1.88 (+1.87, -0.89) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.2 (+3.8, -0.8) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.84 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.80 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
13.45 (15)
Spectrum exposure12 s

PC mode. Mean photon arrival: T0+1742 s

NH (Galactic)1.13 × 1020 cm-2
NH (intrinsic)1.7 (+2.4, -1.7) × 1021 cm-2
z of absorber0
Photon index1.4 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
8.6 (+3.1, -2.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.6 (+2.5, -1.9) × 10-13 erg cm-2 s-1
Counts to flux (obs)5.25 × 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?
83.57 (85)
Spectrum exposure11.0 ks

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Late Time spectrum (T0 + 4000 to 39615 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10288 s

NH (Galactic)1.13 × 1020 cm-2
NH (intrinsic)0 (+5.10 × 1021, -0) cm-2
z of absorber0
Photon index1.35 (+1.34, -0.72)
Flux (0.3-10 keV)
(Observed)
9 (+6, -5) × 10-14 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9 (+7, -4) × 10-14 erg cm-2 s-1
Counts to flux (obs)5.02 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.10 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
7.05 (10)
Spectrum exposure10.4 ks

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