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Swift-XRT spectra of GRB 150222A

Last updated after receiving ObsID 00632180003, version 13

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 96 to 63422 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+229 s

NH (Galactic)3.31 × 1020 cm-2
NH (intrinsic)5.3 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index2.61 (+0.12, -0.12)
Flux (0.3-10 keV)
(Observed)
3.56 (+0.19, -0.18) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.60 (+1.18, -0.79) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.02 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.13 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
424.06 (465)
Spectrum exposure221 s

PC mode. Mean photon arrival: T0+7849 s

NH (Galactic)3.31 × 1020 cm-2
NH (intrinsic)5.2 (+1.0, -0.9) × 1021 cm-2
z of absorber0
Photon index2.31 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
4.9 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.01 (+0.07, -0.05) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.54 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.33 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
301.20 (341)
Spectrum exposure11.0 ks

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Late Time spectrum (T0 + 4456 to 63422 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15159 s

NH (Galactic)3.31 × 1020 cm-2
NH (intrinsic)4.6 (+1.3, -1.1) × 1021 cm-2
z of absorber0
Photon index2.31 (+0.25, -0.24)
Flux (0.3-10 keV)
(Observed)
1.80 (+0.23, -0.20) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.6 (+0.8, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.45 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.92 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
190.89 (236)
Spectrum exposure10.1 ks

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