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Swift-XRT spectra of GRB 071028A

Last updated after receiving ObsID 00295527000, version 34

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 124 to 87498 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+148 s

NH (Galactic)6.20 × 1020 cm-2
NH (intrinsic)4 (+6, -4) × 1020 cm-2
z of absorber0
Photon index2.04 (+0.23, -0.20)
Flux (0.3-10 keV)
(Observed)
2.8 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.5 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.13 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.89 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
166.38 (249)
Spectrum exposure61 s

PC mode. Mean photon arrival: T0+10725 s

NH (Galactic)6.20 × 1020 cm-2
NH (intrinsic)3 (+6, -3) × 1020 cm-2
z of absorber0
Photon index1.99 (+0.25, -0.21)
Flux (0.3-10 keV)
(Observed)
4.9 (+0.7, -0.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.9 (+0.7, -0.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.04 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
183.27 (219)
Spectrum exposure35.9 ks

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Late Time spectrum (T0 + 4032 to 87498 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25710 s

NH (Galactic)6.20 × 1020 cm-2
NH (intrinsic)8 (+90, -8) × 1019 cm-2
z of absorber0
Photon index1.90 (+0.37, -0.23)
Flux (0.3-10 keV)
(Observed)
2.2 (+0.4, -0.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.5 (+0.4, -0.4) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.94 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
86.91 (125)
Spectrum exposure35.4 ks

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