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Swift-XRT spectra of GRB 140502A

Last updated after receiving ObsID 00597841000, version 12

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 74 to 17266 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+78 s

NH (Galactic)9.47 × 1021 cm-2
NH (intrinsic)5 (+37, -5) × 1021 cm-2
z of absorber0
Photon index0.9 (+1.6, -1.0)
Flux (0.3-10 keV)
(Observed)
4.5 (+3.1, -2.1) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.3 (+11.4, -1.9) × 10-10 erg cm-2 s-1
Counts to flux (obs)9.28 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.11 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
11.72 (13)
Spectrum exposure8 s

PC mode. Mean photon arrival: T0+3343 s

NH (Galactic)9.47 × 1021 cm-2
NH (intrinsic)1.7 (+1.9, -1.3) × 1022 cm-2
z of absorber0
Photon index1.9 (+1.0, -0.8)
Flux (0.3-10 keV)
(Observed)
1.5 (+0.6, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.2 (+4.2, -1.2) × 10-12 erg cm-2 s-1
Counts to flux (obs)6.83 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.43 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
72.02 (62)
Spectrum exposure6.3 ks

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Late Time spectrum (T0 + 4269 to 17266 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+7428 s

NH (Galactic)9.47 × 1021 cm-2
NH (intrinsic)2.4 (+3.3, -2.1) × 1022 cm-2
z of absorber0
Photon index3.0 (+2.0, -1.4)
Flux (0.3-10 keV)
(Observed)
3.7 (+2.4, -1.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.3 (+37.7, -2.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.81 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.34 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
41.90 (26)
Spectrum exposure5.4 ks

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