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Swift/XRT spectra of GRB 090404

Last updated using ObsID 00348428018, version 15

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

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Time-averaged spectrum (T0 + 91 to 88035 s)

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WT and PC mode spectra of GRB 090404

WT mode. Mean photon arrival: T0+128 s

NH (Galactic)2.0e+20 cm-2
NH (intrinsic)3.33 (+0.22, -0.21) x 1021 cm-2
z of absorber0
Photon index2.962 (+0.091, -0.087)
Flux (0.3-10 keV)
(Observed)		2.243 (+0.072, -0.067) x 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		8.0 x 10-9 erg cm-2 s-1
Counts to flux (obs)2.7 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.7 x 10-11 erg cm-2 ct-1
C-stat (dof)576.48 (505)
Exposure time129 s

PC mode. Mean photon arrival: T0+19385 s

NH (Galactic)2.0e+20 cm-2
NH (intrinsic)3.99 (+0.43, -0.40) x 1021 cm-2
z of absorber0
Photon index2.67 (+0.14, -0.13)
Flux (0.3-10 keV)
(Observed)		2.99 (+0.25, -0.33) x 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		8.7 x 10-12 erg cm-2 s-1
Counts to flux (obs)3.4 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.0 x 10-10 erg cm-2 ct-1
C-stat (dof)395.58 (409)
Exposure time25.4 ks

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Late Time spectrum (T0 + 4503 to 88025 s)

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PC mode spectrum of GRB 090404

PC mode. Mean photon arrival: T0+21735 s

NH (Galactic)2.0e+20 cm-2
NH (intrinsic)4.24 (+0.44, -0.42) x 1021 cm-2
z of absorber0
Photon index2.68 (+0.15, -0.13)
Flux (0.3-10 keV)
(Observed)		2.51 (+0.23, -0.31) x 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		7.6 x 10-12 erg cm-2 s-1
Counts to flux (obs)3.5 x 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.0 x 10-10 erg cm-2 ct-1
C-stat (dof)382.15 (388)
Exposure time24.4 ks

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