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Swift-XRT spectra of GRB 110801A

Last updated after receiving ObsID 00458521009, version 16

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 1.858 (GCN 12234)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 105 to 64508 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+369 s

NH (Galactic)8.22 × 1020 cm-2
NH (intrinsic)4.8 (+0.9, -0.9) × 1021 cm-2
z of absorber1.858
Photon index1.607 (+0.024, -0.024)
Flux (0.3-10 keV)
(Observed)
2.24 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.56 (+0.04, -0.03) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.12 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.70 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
757.89 (811)
Spectrum exposure564 s

PC mode. Mean photon arrival: T0+10094 s

NH (Galactic)8.22 × 1020 cm-2
NH (intrinsic)2.5 (+2.5, -2.4) × 1021 cm-2
z of absorber1.858
Photon index1.98 (+0.10, -0.09)
Flux (0.3-10 keV)
(Observed)
5.9 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.2 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.09 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
359.65 (404)
Spectrum exposure15.4 ks

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Late Time spectrum (T0 + 4495 to 64508 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12521 s

NH (Galactic)8.22 × 1020 cm-2
NH (intrinsic)4.0 (+3.0, -2.8) × 1021 cm-2
z of absorber1.858
Photon index2.00 (+0.11, -0.11)
Flux (0.3-10 keV)
(Observed)
4.07 (+0.29, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.12 (+0.29, -0.28) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.31 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.16 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
317.06 (374)
Spectrum exposure15.0 ks

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