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Swift-XRT spectra of GRB 141121A

Last updated after receiving ObsID 00619182020, version 14

Data were analysed using HEASOFT version 6.28

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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)6.4 (+0.8, -0.8) × 1021 cm-2
z of absorber1.47
Photon index1.59 (+0.04, -0.04)
Flux (0.3-10 keV)
(Observed)
2.27 (+0.06, -0.06) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.66 (+0.05, -0.05) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.08 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
755.54 (737)
Spectrum exposure203 s

PC mode. Mean photon arrival: T0+10880 s

NH (Galactic)4.28 × 1020 cm-2
NH (intrinsic)2.8 (+1.5, -1.4) × 1021 cm-2
z of absorber1.47
Photon index1.92 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
1.03 (+0.08, -0.07) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.25 (+0.08, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.49 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.24 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
299.43 (361)
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+10880 s

NH (Galactic)4.28 × 1020 cm-2
NH (intrinsic)2.8 (+1.5, -1.4) × 1021 cm-2
z of absorber1.47
Photon index1.92 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
1.03 (+0.08, -0.07) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.25 (+0.08, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.49 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.24 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
299.43 (361)
Spectrum exposure4.8 ks

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