Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 100725B

Last updated after receiving ObsID 00429969010, version 10

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 + 84 to 70356 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+197 s

NH (Galactic)7.05 × 1020 cm-2
NH (intrinsic)6.2 (+0.3, -0.3) × 1021 cm-2
z of absorber0
Photon index1.68 (+0.04, -0.04)
Flux (0.3-10 keV)
(Observed)
8.77 (+0.18, -0.17) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.261 (+0.016, -0.024) × 10-8 erg cm-2 s-1
Counts to flux (obs)5.12 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.36 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
769.37 (831)
Spectrum exposure273 s

PC mode. Mean photon arrival: T0+18450 s

NH (Galactic)7.05 × 1020 cm-2
NH (intrinsic)6.05 (+1.01, -0.92) × 1021 cm-2
z of absorber0
Photon index2.56 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
3.53 (+0.28, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.6 (+1.8, -1.2) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.30 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.99 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
306.96 (341)
Spectrum exposure14.6 ks

[Back to top]

Late Time spectrum (T0 + 4450 to 70356 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23111 s

NH (Galactic)7.05 × 1020 cm-2
NH (intrinsic)5.8 (+1.1, -1.0) × 1021 cm-2
z of absorber0
Photon index2.54 (+0.20, -0.19)
Flux (0.3-10 keV)
(Observed)
2.60 (+0.24, -0.21) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.9 (+1.5, -1.9) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.30 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.76 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
266.39 (307)
Spectrum exposure13.9 ks

[Back to top]