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Swift-XRT spectra of GRB 061222A

Last updated after receiving ObsID 00252588018, version 16

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.088 (Perley et al. 2009)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 104 to 42187 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+135 s

NH (Galactic)1.26 × 1021 cm-2
NH (intrinsic)6.6 (+0.7, -0.7) × 1022 cm-2
z of absorber2.088
Photon index2.02 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
1.61 (+0.06, -0.06) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.66 (+0.12, -0.11) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.90 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.45 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
559.31 (605)
Spectrum exposure117 s

PC mode. Mean photon arrival: T0+17200 s

NH (Galactic)1.26 × 1021 cm-2
NH (intrinsic)5.1 (+0.6, -0.6) × 1022 cm-2
z of absorber2.088
Photon index1.82 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
2.50 (+0.09, -0.09) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.57 (+0.12, -0.11) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.29 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.13 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
617.16 (633)
Spectrum exposure15.8 ks

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Late Time spectrum (T0 + 10645 to 42187 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+24173 s

NH (Galactic)1.26 × 1021 cm-2
NH (intrinsic)5.1 (+0.8, -0.7) × 1022 cm-2
z of absorber2.088
Photon index1.82 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
1.52 (+0.07, -0.07) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.19 (+0.09, -0.08) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.28 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.14 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
543.65 (580)
Spectrum exposure14.3 ks

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