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Swift-XRT spectra of GRB 151229A

Last updated after receiving ObsID 00668689002, version 5

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 90 to 46723 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+121 s

NH (Galactic)2.71 × 1020 cm-2
NH (intrinsic)5.4 (+2.5, -1.9) × 1021 cm-2
z of absorber0
Photon index2.1 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
1.86 (+0.33, -0.28) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.35 (+1.11, -0.53) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.66 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.58 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
151.27 (200)
Spectrum exposure63 s

PC mode. Mean photon arrival: T0+9826 s

NH (Galactic)2.71 × 1020 cm-2
NH (intrinsic)6.86 (+1.05, -0.97) × 1021 cm-2
z of absorber0
Photon index2.03 (+0.14, -0.14)
Flux (0.3-10 keV)
(Observed)
8.4 (+0.6, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.50 (+0.10, -0.11) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.31 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.68 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
401.19 (446)
Spectrum exposure12.3 ks

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Late Time spectrum (T0 + 4064 to 46723 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14586 s

NH (Galactic)2.71 × 1020 cm-2
NH (intrinsic)6.6 (+1.3, -1.1) × 1021 cm-2
z of absorber0
Photon index2.07 (+0.17, -0.17)
Flux (0.3-10 keV)
(Observed)
4.6 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.26 (+1.13, -0.63) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.18 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.59 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
321.62 (369)
Spectrum exposure11.7 ks

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