Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 170405A

Last updated after receiving ObsID 00745797004, version 17

Data were analysed using HEASOFT version 6.32

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 3.51 (GCN 20990)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 126 to 57705 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+271 s

NH (Galactic)8.75 × 1020 cm-2
NH (intrinsic)1.2 (+3.6, -1.2) × 1021 cm-2
z of absorber3.51
Photon index1.564 (+0.033, -0.030)
Flux (0.3-10 keV)
(Observed)
1.179 (+0.029, -0.028) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.304 (+0.026, -0.026) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.20 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.65 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
664.37 (747)
Spectrum exposure489 s

PC mode. Mean photon arrival: T0+5913 s

NH (Galactic)8.75 × 1020 cm-2
NH (intrinsic)0 (+9.21 × 1021, -0) cm-2
z of absorber3.51
Photon index1.817 (+0.107, -0.070)
Flux (0.3-10 keV)
(Observed)
1.35 (+0.08, -0.09) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.56 (+0.09, -0.08) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.61 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.18 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
330.88 (385)
Spectrum exposure6.5 ks

[Back to top]

Late Time spectrum (T0 + 4518 to 57705 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8581 s

NH (Galactic)8.75 × 1020 cm-2
NH (intrinsic)1.9 (+12.0, -1.9) × 1021 cm-2
z of absorber3.51
Photon index1.97 (+0.14, -0.11)
Flux (0.3-10 keV)
(Observed)
6.9 (+0.6, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.3 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.32 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.01 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
302.37 (298)
Spectrum exposure6.1 ks

[Back to top]