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Swift/XRT spectra of GRB 091024

Last updated using ObsID 00373674002, version 7

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

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Time-averaged spectrum (T0 + 3168 to 74906 s)

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WT and PC mode spectra of GRB 091024

WT mode. Mean photon arrival: T0+3177 s

NH (Galactic)4.9e+21 cm-2
NH (intrinsic)6.4 (+9.6, -6.4) x 1022 cm-2
z of absorber1.092
Photon index3.6 (+2.6, -3.0)
Flux (0.3-10 keV)
(Observed)
1.05 (+0.56, -1.05) x 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.0 x 10-8 erg cm-2 s-1
Counts to flux (obs)5.2 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.9 x 10-10 erg cm-2 ct-1
C-stat (dof)3.42 (6)
Exposure time18 s

PC mode. Mean photon arrival: T0+6582 s

NH (Galactic)4.9e+21 cm-2
NH (intrinsic)1.65 (+1.08, -0.93) x 1022 cm-2
z of absorber1.092
Photon index1.68 (+0.21, -0.20)
Flux (0.3-10 keV)
(Observed)
3.97 (+0.37, -0.43) x 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.2 x 10-11 erg cm-2 s-1
Counts to flux (obs)8.9 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.4 x 10-10 erg cm-2 ct-1
C-stat (dof)314.98 (339)
Exposure time4.9 ks

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Late Time spectrum (T0 + 4000 to 5477 s)

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PC mode spectrum of GRB 091024

PC mode. Mean photon arrival: T0+4638 s

NH (Galactic)4.9e+21 cm-2
NH (intrinsic)1.97 (+0.41, -0.17) x 1026 cm-2
z of absorber1.092
Photon index-2.5 (+7.0, -2.5)
Flux (0.3-10 keV)
(Observed)
7.8 (-7.8, -7.8) x 10-7 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.9 x 106 erg cm-2 s-1
Counts to flux (obs)7.7 x 10-7 erg cm-2 ct-1
Counts to flux (unabs)2.8 x 106 erg cm-2 ct-1
C-stat (dof)1015.47 (234)
Exposure time1.5 ks

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