Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 190828B

Last updated after receiving ObsID 00922808001, version 5

Data were analysed using HEASOFT version 6.22

About these products.

Get another burst.

Add time-sliced spectrum.

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 60 to 28114 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+93 s

NH (Galactic)6.84 × 1020 cm-2
NH (intrinsic)10 (+38, -10) × 1019 cm-2
z of absorber0
Photon index1.558 (+0.111, -0.087)
Flux (0.3-10 keV)
(Observed)
7.6 (+0.5, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.3 (+0.5, -0.4) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.09 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.47 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
346.79 (478)
Spectrum exposure90 s

PC mode. Mean photon arrival: T0+4463 s

NH (Galactic)6.84 × 1020 cm-2
NH (intrinsic)5.7 (+2.9, -2.7) × 1020 cm-2
z of absorber0
Photon index1.91 (+0.10, -0.10)
Flux (0.3-10 keV)
(Observed)
2.80 (+0.17, -0.16) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.47 (+0.16, -0.16) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.56 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.41 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
397.99 (430)
Spectrum exposure4.6 ks

[Back to top]

Late Time spectrum (T0 + 5433 to 28114 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9966 s

NH (Galactic)6.84 × 1020 cm-2
NH (intrinsic)4 (+5, -4) × 1020 cm-2
z of absorber0
Photon index1.83 (+0.16, -0.15)
Flux (0.3-10 keV)
(Observed)
1.125 (+0.110, -0.099) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.337 (+0.104, -0.085) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.66 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.35 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
265.99 (308)
Spectrum exposure3.0 ks

[Back to top]