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Swift/XRT spectra of GRB 091104

Last updated using ObsID 00374875002, version 5

Related pages: Burst Analyser | Enhanced position | Light curve | Download obs data | SPER analysis

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Time-averaged spectrum (T0 + 137 to 57765 s)

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WT and PC mode spectra of GRB 091104

WT mode. Mean photon arrival: T0+201 s

NH (Galactic)1.7e+20 cm-2
NH (intrinsic)9.3 (+2.0, -1.9) x 1020 cm-2
z of absorber0
Photon index2.310 (+0.104, -0.097)
Flux (0.3-10 keV)
(Observed)		6.37 (+0.30, -0.30) x 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		9.3 x 10-10 erg cm-2 s-1
Counts to flux (obs)2.9 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.3 x 10-11 erg cm-2 ct-1
C-stat (dof)408.94 (468)
Exposure time162 s

PC mode. Mean photon arrival: T0+4290 s

NH (Galactic)1.7e+20 cm-2
NH (intrinsic)0 (+2.0 x 1020, -0) cm-2
z of absorber0
Photon index2.26 (+0.28, -0.15)
Flux (0.3-10 keV)
(Observed)		1.30 (+0.19, -0.52) x 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.4 x 10-12 erg cm-2 s-1
Counts to flux (obs)3.2 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.5 x 10-11 erg cm-2 ct-1
C-stat (dof)159.20 (147)
Exposure time10.5 ks

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Late Time spectrum (T0 + 4501 to 57742 s)

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PC mode spectrum of GRB 091104

PC mode. Mean photon arrival: T0+33443 s

NH (Galactic)1.7e+20 cm-2
NH (intrinsic)1.1 (+3.4, -1.1) x 1021 cm-2
z of absorber0
Photon index1.86 (+1.11, -0.79)
Flux (0.3-10 keV)
(Observed)		1.56 (+0.99, -1.56) x 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.9 x 10-13 erg cm-2 s-1
Counts to flux (obs)4.2 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.1 x 10-11 erg cm-2 ct-1
C-stat (dof)33.73 (25)
Exposure time9.9 ks

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