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Swift-XRT spectra of GRB 130912A

Last updated after receiving ObsID 00570465003, version 9

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 97 to 36233 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+99 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+3954 s

NH (Galactic)2.22 × 1021 cm-2
NH (intrinsic)0 (+9.02 × 1020, -0) cm-2
z of absorber0
Photon index1.427 (+0.218, -0.099)
Flux (0.3-10 keV)
(Observed)
4.6 (+0.4, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.3 (+0.4, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.02 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.82 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
208.44 (277)
Spectrum exposure15.6 ks

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Late Time spectrum (T0 + 4801 to 36233 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14850 s

NH (Galactic)2.22 × 1021 cm-2
NH (intrinsic)0 (+1.04 × 1021, -0) cm-2
z of absorber0
Photon index1.78 (+0.34, -0.22)
Flux (0.3-10 keV)
(Observed)
5.9 (+1.1, -1.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.3 (+1.5, -1.2) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.97 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.90 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
88.61 (89)
Spectrum exposure14.2 ks

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