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Swift-XRT spectra of GRB 120521B

Last updated after receiving ObsID 00522586005, version 11

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 125 to 48231 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+134 s

NH (Galactic)3.65 × 1021 cm-2
NH (intrinsic)2.21 (+1.22, -1.00) × 1022 cm-2
z of absorber0
Photon index1.5 (+0.5, -0.5)
Flux (0.3-10 keV)
(Observed)
6.7 (+1.5, -1.2) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.06 (+0.43, -0.21) × 10-9 erg cm-2 s-1
Counts to flux (obs)8.01 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.27 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
107.83 (141)
Spectrum exposure22 s

PC mode. Mean photon arrival: T0+6178 s

NH (Galactic)3.65 × 1021 cm-2
NH (intrinsic)1.9 (+0.6, -0.5) × 1022 cm-2
z of absorber0
Photon index2.0 (+0.3, -0.3)
Flux (0.3-10 keV)
(Observed)
1.67 (+0.23, -0.20) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.69 (+1.45, -0.49) × 10-12 erg cm-2 s-1
Counts to flux (obs)6.41 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.42 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
259.40 (251)
Spectrum exposure21.1 ks

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Late Time spectrum (T0 + 5375 to 48231 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14166 s

NH (Galactic)3.65 × 1021 cm-2
NH (intrinsic)1.9 (+0.8, -0.7) × 1022 cm-2
z of absorber0
Photon index2.5 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
5.7 (+1.3, -1.0) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.3 (+3.1, -0.7) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.96 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.00 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
109.74 (124)
Spectrum exposure19.3 ks

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