Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 150428A

Last updated after receiving ObsID 00639275002, version 4

Data were analysed using HEASOFT version 6.32

About these products.

Get another burst.

Add time-sliced spectrum.

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 183 to 32533 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+7949 s

NH (Galactic)1.63 × 1020 cm-2
NH (intrinsic)4.5 (+2.4, -1.9) × 1021 cm-2
z of absorber0
Photon index1.8 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
1.52 (+0.33, -0.27) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.20 (+0.37, -0.28) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.48 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.51 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
103.60 (141)
Spectrum exposure1.3 ks

[Back to top]

Late Time spectrum (T0 + 28305 to 32533 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+29629 s

NH (Galactic)1.63 × 1020 cm-2
NH (intrinsic)4.6 (+5.2, -2.0) × 1021 cm-2
z of absorber0
Photon index2.2 (+0.9, -0.8)
Flux (0.3-10 keV)
(Observed)
2.21 (+1.24, -0.72) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.0 (+8.3, -1.2) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.75 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.79 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
25.47 (38)
Spectrum exposure990 s

[Back to top]