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Swift-XRT spectra of GRB 141121A

Last updated after receiving ObsID 00619182020, version 14

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.47 (GCN 17081)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 368 to 28323 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+440 s

NH (Galactic)4.28 × 1020 cm-2
NH (intrinsic)9.7 (+1.2, -1.1) × 1021 cm-2
z of absorber1.47
Photon index1.56 (+0.04, -0.04)
Flux (0.3-10 keV)
(Observed)
2.36 (+0.06, -0.06) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.73 (+0.06, -0.05) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.35 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.03 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
760.30 (737)
Spectrum exposure203 s

PC mode. Mean photon arrival: T0+11352 s

NH (Galactic)4.28 × 1020 cm-2
NH (intrinsic)4.4 (+2.4, -2.2) × 1021 cm-2
z of absorber1.47
Photon index1.90 (+0.12, -0.12)
Flux (0.3-10 keV)
(Observed)
1.13 (+0.09, -0.09) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.35 (+0.09, -0.08) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.49 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.17 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
318.18 (342)
Spectrum exposure4.8 ks

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Late Time spectrum (T0 + 5532 to 28323 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11352 s

NH (Galactic)4.28 × 1020 cm-2
NH (intrinsic)4.4 (+2.4, -2.2) × 1021 cm-2
z of absorber1.47
Photon index1.90 (+0.12, -0.12)
Flux (0.3-10 keV)
(Observed)
1.13 (+0.09, -0.09) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.35 (+0.09, -0.08) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.49 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.17 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
318.16 (342)
Spectrum exposure4.8 ks

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