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Swift-XRT spectra of GRB 100302A

Last updated after receiving ObsID 00414592012, version 14

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 4.813 (GCN 10466)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 131 to 88685 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+270 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)6.4 (+0.8, -0.7) × 1022 cm-2
z of absorber4.813
Photon index2.75 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
4.93 (+0.14, -0.13) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.1 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.97 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
435.55 (440)
Spectrum exposure328 s

PC mode. Mean photon arrival: T0+19390 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)9.4 (+22.8, -9.4) × 1021 cm-2
z of absorber4.813
Photon index1.88 (+0.16, -0.14)
Flux (0.3-10 keV)
(Observed)
1.01 (+0.11, -0.10) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.09 (+0.10, -0.09) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.37 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.63 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
206.38 (258)
Spectrum exposure33.9 ks

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Late Time spectrum (T0 + 5461 to 88685 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+34141 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)2.2 (+3.5, -2.2) × 1022 cm-2
z of absorber4.813
Photon index1.82 (+0.22, -0.21)
Flux (0.3-10 keV)
(Observed)
4.8 (+0.7, -0.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.3 (+0.6, -0.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.52 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.89 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
151.07 (188)
Spectrum exposure32.5 ks

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