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Swift-XRT spectra of GRB 090519

Last updated after receiving ObsID 00352648000, version 19

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 3.85 (GCN 9409)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 121 to 94408 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+141 s

NH (Galactic)3.34 × 1020 cm-2
NH (intrinsic)1.8 (+2.1, -1.1) × 1023 cm-2
z of absorber3.85
Photon index1.4 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
2.9 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.5 (+0.7, -0.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.91 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.95 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
110.75 (172)
Spectrum exposure41 s

PC mode. Mean photon arrival: T0+2787 s

NH (Galactic)3.34 × 1020 cm-2
NH (intrinsic)2.7 (+4.0, -2.7) × 1022 cm-2
z of absorber3.85
Photon index1.47 (+0.24, -0.23)
Flux (0.3-10 keV)
(Observed)
4.4 (+0.9, -0.7) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.8 (+0.8, -0.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.62 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.04 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
151.84 (189)
Spectrum exposure41.9 ks

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Late Time spectrum (T0 + 5592 to 94408 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15860 s

NH (Galactic)3.34 × 1020 cm-2
NH (intrinsic)0 (+9.45 × 1022, -0) cm-2
z of absorber3.85
Photon index1.5 (+0.8, -0.4)
Flux (0.3-10 keV)
(Observed)
4.7 (+2.2, -2.1) × 10-14 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.9 (+2.2, -1.9) × 10-14 erg cm-2 s-1
Counts to flux (obs)4.22 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.41 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
32.79 (31)
Spectrum exposure39.8 ks

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