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Swift-XRT spectra of GRB 140430A

Last updated after receiving ObsID 00597722004, version 12

Data were analysed using HEASOFT version 6.26.1

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The spectral fits assume a redshift: 1.6 (GCN 16194)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 132 to 91150 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+209 s

NH (Galactic)2.13 × 1021 cm-2
NH (intrinsic)6.5 (+1.6, -1.5) × 1021 cm-2
z of absorber1.6
Photon index2.16 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
2.37 (+0.07, -0.07) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.74 (+0.11, -0.10) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.32 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.24 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
575.43 (625)
Spectrum exposure209 s

PC mode. Mean photon arrival: T0+24528 s

NH (Galactic)2.13 × 1021 cm-2
NH (intrinsic)7 (+5, -5) × 1021 cm-2
z of absorber1.6
Photon index2.13 (+0.15, -0.15)
Flux (0.3-10 keV)
(Observed)
1.56 (+0.14, -0.13) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.43 (+0.22, -0.19) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.43 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.36 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
253.51 (323)
Spectrum exposure22.7 ks

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Late Time spectrum (T0 + 4000 to 91150 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+28245 s

NH (Galactic)2.13 × 1021 cm-2
NH (intrinsic)9 (+6, -5) × 1021 cm-2
z of absorber1.6
Photon index2.11 (+0.16, -0.16)
Flux (0.3-10 keV)
(Observed)
1.37 (+0.14, -0.12) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.13 (+0.21, -0.17) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.49 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.44 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
243.98 (308)
Spectrum exposure22.3 ks

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