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Swift-XRT spectra of GRB 120819A

Last updated after receiving ObsID 00531428000, version 12

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 159 to 22978 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+183 s

NH (Galactic)1.39 × 1021 cm-2
NH (intrinsic)1.8 (+3.2, -1.8) × 1021 cm-2
z of absorber0
Photon index1.5 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
2.4 (+0.5, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.9 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.74 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.73 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
126.18 (176)
Spectrum exposure52 s

PC mode. Mean photon arrival: T0+3644 s

NH (Galactic)1.39 × 1021 cm-2
NH (intrinsic)4.2 (+3.9, -2.8) × 1021 cm-2
z of absorber0
Photon index2.0 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
8.0 (+2.5, -1.9) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.3 (+0.7, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.19 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.00 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
81.07 (95)
Spectrum exposure10.0 ks

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Late Time spectrum (T0 + 4000 to 22978 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8706 s

NH (Galactic)1.39 × 1021 cm-2
NH (intrinsic)4 (+6, -4) × 1021 cm-2
z of absorber0
Photon index2.44 (+1.10, -0.83)
Flux (0.3-10 keV)
(Observed)
1.99 (+1.09, -0.68) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.6 (+11.2, -1.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.78 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
43.28 (39)
Spectrum exposure9.5 ks

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