Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 091109A

Last updated after receiving ObsID 00375246012, version 11

Data were analysed using HEASOFT version 6.32

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 3.076 (GCN 10350)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 154 to 40795 s)

Download spectral files for Time-averaged spectrum.

Plots to download

WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+162 s

NH (Galactic)3.34 × 1020 cm-2
NH (intrinsic)7 (+39, -7) × 1021 cm-2
z of absorber3.076
Photon index1.8 (+0.7, -0.4)
Flux (0.3-10 keV)
(Observed)
1.7 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.9 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.94 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.25 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
70.97 (76)
Spectrum exposure19 s

PC mode. Mean photon arrival: T0+7411 s

NH (Galactic)3.34 × 1020 cm-2
NH (intrinsic)1.08 (+1.12, -1.00) × 1022 cm-2
z of absorber3.076
Photon index1.90 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
1.87 (+0.23, -0.20) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.15 (+0.20, -0.19) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.45 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.96 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
218.55 (243)
Spectrum exposure14.6 ks

[Back to top]

Late Time spectrum (T0 + 4143 to 40795 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12923 s

NH (Galactic)3.34 × 1020 cm-2
NH (intrinsic)1.8 (+1.7, -1.5) × 1022 cm-2
z of absorber3.076
Photon index1.91 (+0.24, -0.22)
Flux (0.3-10 keV)
(Observed)
8.8 (+1.5, -1.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.05 (+0.13, -0.12) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.46 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.12 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
142.46 (177)
Spectrum exposure14.0 ks

[Back to top]