Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 250925A

Last updated after receiving ObsID 01352124002, version 4

Data were analysed using HEASOFT version 6.35.2

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 3.899 (GCN 41997)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 3739 to 21581 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+9501 s

NH (Galactic)2.59 × 1021 cm-2
NH (intrinsic)1.6 (+3.0, -1.6) × 1022 cm-2
z of absorber3.899
Photon index2.01 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
8.2 (+0.8, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.200 (+0.104, -0.091) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.77 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.54 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
281.26 (314)
Spectrum exposure5.1 ks

[Back to top]

Late Time spectrum (T0 + 4000 to 21581 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9952 s

NH (Galactic)2.59 × 1021 cm-2
NH (intrinsic)1.6 (+3.1, -1.6) × 1022 cm-2
z of absorber3.899
Photon index2.01 (+0.16, -0.15)
Flux (0.3-10 keV)
(Observed)
7.9 (+0.8, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.161 (+0.106, -0.092) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.77 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.54 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
269.97 (300)
Spectrum exposure4.9 ks

[Back to top]