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Swift-XRT spectra of GRB 140408A

Last updated after receiving ObsID 00595141002, version 8

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 109 to 39244 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+242 s

NH (Galactic)1.77 × 1021 cm-2
NH (intrinsic)2.0 (+6.1, -1.0) × 1022 cm-2
z of absorber0
Photon index4.2 (+14.6, -3.1)
Flux (0.3-10 keV)
(Observed)
3.1 (+5.0, -1.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.3 (+1.00 × 1010, -1.2) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.01 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.75 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
77.35 (75)
Spectrum exposure266 s

PC mode. Mean photon arrival: T0+10247 s

NH (Galactic)1.77 × 1021 cm-2
NH (intrinsic)1.5 (+0.8, -0.6) × 1022 cm-2
z of absorber0
Photon index2.5 (+0.6, -0.6)
Flux (0.3-10 keV)
(Observed)
6.6 (+1.7, -1.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.3 (+3.2, -0.7) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.52 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.60 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
103.02 (103)
Spectrum exposure10.7 ks

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Late Time spectrum (T0 + 4201 to 39244 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16658 s

NH (Galactic)1.77 × 1021 cm-2
NH (intrinsic)1.40 (+1.03, -0.74) × 1022 cm-2
z of absorber0
Photon index2.3 (+0.8, -0.7)
Flux (0.3-10 keV)
(Observed)
4.7 (+1.7, -1.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.25 (+2.28, -0.39) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.89 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.31 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
70.10 (67)
Spectrum exposure10.0 ks

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