Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 250407A

Last updated after receiving ObsID 00021826001, version 12

Data were analysed using HEASOFT version 6.35.2

About these products.

Get another burst.

Add time-sliced spectrum.

Time-averaged spectrum (T0 + 18788 to 47123 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+32561 s

NH (Galactic)7.04 × 1020 cm-2
NH (intrinsic)3.21 (+1.03, -0.92) × 1021 cm-2
z of absorber0
Photon index1.90 (+0.19, -0.18)
Flux (0.3-10 keV)
(Observed)		2.67 (+0.30, -0.26) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		3.9 (+0.3, -0.4) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.23 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.21 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		283.00 (302)
Spectrum exposure1.8 ks