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Swift-XRT spectra of GRB 090715B

Last updated after receiving ObsID 00357512016, version 12

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 3 (GCN 9673)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 52 to 109456 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+209 s

NH (Galactic)1.40 × 1020 cm-2
NH (intrinsic)2.16 (+0.17, -0.16) × 1022 cm-2
z of absorber3
Photon index1.879 (+0.024, -0.024)
Flux (0.3-10 keV)
(Observed)
2.77 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.27 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.46 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.08 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
714.58 (769)
Spectrum exposure437 s

PC mode. Mean photon arrival: T0+30231 s

NH (Galactic)1.40 × 1020 cm-2
NH (intrinsic)1.3 (+0.7, -0.6) × 1022 cm-2
z of absorber3
Photon index1.96 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
1.77 (+0.14, -0.13) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.03 (+0.13, -0.12) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.31 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.81 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
304.89 (350)
Spectrum exposure31.4 ks

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Late Time spectrum (T0 + 4000 to 109456 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+31537 s

NH (Galactic)1.40 × 1020 cm-2
NH (intrinsic)1.3 (+0.7, -0.6) × 1022 cm-2
z of absorber3
Photon index1.96 (+0.12, -0.12)
Flux (0.3-10 keV)
(Observed)
1.68 (+0.13, -0.12) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.93 (+0.12, -0.12) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.31 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.80 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
296.13 (343)
Spectrum exposure31.2 ks

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