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Swift-XRT spectra of GRB 050915B

Last updated after receiving ObsID 00155284006, version 21

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 149 to 65636 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+181 s

NH (Galactic)3.55 × 1021 cm-2
NH (intrinsic)4 (+6, -4) × 1020 cm-2
z of absorber0
Photon index2.61 (+0.18, -0.16)
Flux (0.3-10 keV)
(Observed)
2.77 (+0.22, -0.20) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.6 (+0.7, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.81 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.66 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
288.06 (343)
Spectrum exposure123 s

PC mode. Mean photon arrival: T0+13091 s

NH (Galactic)3.55 × 1021 cm-2
NH (intrinsic)1.1 (+1.4, -1.1) × 1021 cm-2
z of absorber0
Photon index2.13 (+0.26, -0.24)
Flux (0.3-10 keV)
(Observed)
9.3 (+1.3, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.61 (+0.34, -0.19) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.70 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.42 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
196.43 (248)
Spectrum exposure21.9 ks

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Late Time spectrum (T0 + 5545 to 65636 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23232 s

NH (Galactic)3.55 × 1021 cm-2
NH (intrinsic)2.1 (+2.1, -1.8) × 1021 cm-2
z of absorber0
Photon index2.2 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
5.72 (+1.07, -0.89) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.13 (+0.37, -0.23) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.62 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.17 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
125.08 (157)
Spectrum exposure19.9 ks

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