Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 111121A

Last updated after receiving ObsID 00508161003, version 10

Data were analysed using HEASOFT version -1

About these products.

Get another burst.

Add time-sliced spectrum.

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 83 to 64506 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+139 s

NH (Galactic)2.04 × 1021 cm-2
NH (intrinsic)3.9 (+0.8, -0.7) × 1021 cm-2
z of absorber0
Photon index1.53 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
1.79 (+0.08, -0.08) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.35 (+0.09, -0.09) × 10-9 erg cm-2 s-1
Counts to flux (obs)5.40 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
546.10 (632)
Spectrum exposure180 s

PC mode. Mean photon arrival: T0+8464 s

NH (Galactic)2.04 × 1021 cm-2
NH (intrinsic)2.8 (+1.2, -1.1) × 1021 cm-2
z of absorber0
Photon index1.79 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
3.3 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.70 (+0.46, -0.29) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.57 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
275.94 (346)
Spectrum exposure17.3 ks

[Back to top]

Late Time spectrum (T0 + 4196 to 64506 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11563 s

NH (Galactic)2.04 × 1021 cm-2
NH (intrinsic)2.5 (+1.4, -1.2) × 1021 cm-2
z of absorber0
Photon index1.76 (+0.21, -0.20)
Flux (0.3-10 keV)
(Observed)
1.92 (+0.24, -0.21) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.70 (+0.32, -0.25) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.42 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
234.52 (301)
Spectrum exposure16.6 ks

[Back to top]