Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 181203A

Last updated after receiving ObsID 00874475003, version 9

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 + 79 to 18607 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+92 s

NH (Galactic)2.26 × 1021 cm-2
NH (intrinsic)2.1 (+2.5, -1.8) × 1021 cm-2
z of absorber0
Photon index3.33 (+1.05, -0.69)
Flux (0.3-10 keV)
(Observed)
8.9 (+2.2, -1.8) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.2 (+1.1, -1.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.19 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.03 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
68.52 (85)
Spectrum exposure36 s

PC mode. Mean photon arrival: T0+1676 s

NH (Galactic)2.26 × 1021 cm-2
NH (intrinsic)0 (+1.27 × 1021, -0) cm-2
z of absorber0
Photon index1.81 (+0.43, -0.15)
Flux (0.3-10 keV)
(Observed)
1.8 (+0.3, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.4 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.90 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.13 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
84.66 (115)
Spectrum exposure4.3 ks

[Back to top]

Late Time spectrum (T0 + 4957 to 18607 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8091 s

NH (Galactic)2.26 × 1021 cm-2
NH (intrinsic)0 (+4.40 × 1021, -0) cm-2
z of absorber0
Photon index1.5 (+1.0, -0.4)
Flux (0.3-10 keV)
(Observed)
5.4 (+2.9, -2.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.5 (+2.7, -2.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.72 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.68 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
13.76 (20)
Spectrum exposure2.9 ks

[Back to top]