Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 121128A

Last updated after receiving ObsID 00539866007, version 10.

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 2.2 (GCN 14009)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 83 to 64526 s)

Download spectral files for Time-averaged spectrum.

Plots to download

WT and PC mode spectra of GRB 121128A

WT mode. Mean photon arrival: T0+117 s

NH (Galactic)3.3 × 1021 cm-2
NH (intrinsic)2.9 (+6.8, -2.9) × 1021 cm-2
z of absorber2.2
Photon index2.35 (+0.12, -0.10)
Flux (0.3-10 keV)
(Observed)
5.9 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.10 (+0.06, -0.08) × 10-9 erg cm-2 s-1
Counts to flux (obs)3 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
366.60 (407)
Spectrum exposure108 s

PC mode. Mean photon arrival: T0+4922 s

NH (Galactic)3.3 × 1021 cm-2
NH (intrinsic)5 (+8, -5) × 1021 cm-2
z of absorber2.2
Photon index1.85 (+0.09, -0.09)
Flux (0.3-10 keV)
(Observed)
1.35 (+0.08, -0.08) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.916 (+0.113, -0.076) × 10-11 erg cm-2 s-1
Counts to flux (obs)4 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
468.92 (490)
Spectrum exposure16.5 ks

[Back to top]


Late Time spectrum (T0 + 6936 to 64526 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of GRB 121128A

PC mode. Mean photon arrival: T0+22132 s

NH (Galactic)3.3 × 1021 cm-2
NH (intrinsic)5.6 (+20.9, -5.6) × 1021 cm-2
z of absorber2.2
Photon index1.98 (+0.23, -0.19)
Flux (0.3-10 keV)
(Observed)
1.13 (+0.17, -0.15) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.71 (+0.20, -0.15) × 10-12 erg cm-2 s-1
Counts to flux (obs)4 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
172.15 (222)
Spectrum exposure14.2 ks

[Back to top]