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Swift-XRT spectra of GRB 070531

Last updated after receiving ObsID 00280958000, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 131 to 4840 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+133 s

NH (Galactic)3.46 × 1021 cm-2
NH (intrinsic)0 (+5.96 × 1021, -0) cm-2
z of absorber0
Photon index0.80 (+1.55, -0.56)
Flux (0.3-10 keV)
(Observed)
5 (+3, -3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.3 (+5.9, -2.9) × 10-10 erg cm-2 s-1
Counts to flux (obs)8.83 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.14 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
12.37 (7)
Spectrum exposure5 s

PC mode. Mean photon arrival: T0+464 s

NH (Galactic)3.46 × 1021 cm-2
NH (intrinsic)0 (+8.36 × 1020, -0) cm-2
z of absorber0
Photon index0.88 (+0.16, -0.14)
Flux (0.3-10 keV)
(Observed)
4.1 (+0.5, -0.5) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.5 (+0.6, -0.6) × 10-11 erg cm-2 s-1
Counts to flux (obs)7.44 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.19 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
184.74 (236)
Spectrum exposure1.4 ks

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Late Time spectrum (T0 + 4396 to 4840 s)

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PC mode. Mean photon arrival: T0+4678 s

Can't find a valid fit for this spectrum

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