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Swift-XRT spectra of GRB 090419

Last updated after receiving ObsID 00349592004, version 12

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 125 to 64567 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+199 s

NH (Galactic)2.18 × 1021 cm-2
NH (intrinsic)1.5 (+0.7, -0.6) × 1022 cm-2
z of absorber0
Photon index1.2 (+0.3, -0.3)
Flux (0.3-10 keV)
(Observed)
4.4 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.7 (+0.5, -0.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)8.01 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.04 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
305.53 (366)
Spectrum exposure161 s

PC mode. Mean photon arrival: T0+2029 s

NH (Galactic)2.18 × 1021 cm-2
NH (intrinsic)1.2 (+0.5, -0.4) × 1022 cm-2
z of absorber0
Photon index0.97 (+0.29, -0.27)
Flux (0.3-10 keV)
(Observed)
1.04 (+0.14, -0.13) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.25 (+0.13, -0.12) × 10-11 erg cm-2 s-1
Counts to flux (obs)9.29 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.12 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
258.08 (313)
Spectrum exposure13.1 ks

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Late Time spectrum (T0 + 5115 to 64567 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9727 s

NH (Galactic)2.18 × 1021 cm-2
NH (intrinsic)4 (+9, -4) × 1021 cm-2
z of absorber0
Photon index1.1 (+0.7, -0.5)
Flux (0.3-10 keV)
(Observed)
6.0 (+2.6, -1.9) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.0 (+1.6, -1.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)7.71 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.97 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
72.38 (59)
Spectrum exposure11.6 ks

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