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Swift-XRT spectra of GRB 090814A

Last updated after receiving ObsID 00359951006, version 12

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 0.696 (GCN 9797)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 165 to 47613 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+244 s

NH (Galactic)5.88 × 1020 cm-2
NH (intrinsic)1.6 (+0.5, -0.5) × 1021 cm-2
z of absorber0.696
Photon index2.54 (+0.10, -0.09)
Flux (0.3-10 keV)
(Observed)
3.63 (+0.15, -0.15) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.48 (+0.32, -0.28) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.58 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.89 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
484.21 (464)
Spectrum exposure258 s

PC mode. Mean photon arrival: T0+3083 s

NH (Galactic)5.88 × 1020 cm-2
NH (intrinsic)0 (+3.26 × 1020, -0) cm-2
z of absorber0.696
Photon index1.71 (+0.12, -0.10)
Flux (0.3-10 keV)
(Observed)
3.6 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.9 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.82 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.18 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
221.28 (272)
Spectrum exposure10.1 ks

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Late Time spectrum (T0 + 5685 to 47613 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15724 s

NH (Galactic)5.88 × 1020 cm-2
NH (intrinsic)2.4 (+5.4, -2.4) × 1021 cm-2
z of absorber0.696
Photon index2.2 (+0.8, -0.7)
Flux (0.3-10 keV)
(Observed)
3.4 (+1.9, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.6 (+2.4, -1.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.31 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.50 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
52.99 (53)
Spectrum exposure8.0 ks

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