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Swift-XRT spectra of GRB 090814A

Last updated after receiving ObsID 00359951006, version 12

Data were analysed using HEASOFT version 6.22

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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)1.7 (+0.5, -0.5) × 1021 cm-2
z of absorber0.696
Photon index2.57 (+0.10, -0.09)
Flux (0.3-10 keV)
(Observed)
3.41 (+0.14, -0.14) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.21 (+0.21, -0.23) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.56 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.91 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
460.41 (458)
Spectrum exposure258 s

PC mode. Mean photon arrival: T0+2907 s

NH (Galactic)5.88 × 1020 cm-2
NH (intrinsic)0 (+3.06 × 1020, -0) cm-2
z of absorber0.696
Photon index1.689 (+0.108, -0.094)
Flux (0.3-10 keV)
(Observed)
3.31 (+0.34, -0.29) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.59 (+0.22, -0.37) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.89 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.22 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
240.00 (288)
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)2.2 (+4.8, -2.2) × 1021 cm-2
z of absorber0.696
Photon index2.2 (+0.7, -0.6)
Flux (0.3-10 keV)
(Observed)
3.17 (+1.69, -0.94) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.3 (+1.3, -1.0) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.26 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.44 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
53.56 (53)
Spectrum exposure8.0 ks

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