Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of EP250821a — Source 2

Last updated at 2025-08-29 at 13:31:19 UTC

About these products.

Time-averaged spectrum (T0 + 5095 to 651111 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of EP250821a - source 2

PC mode. Mean photon arrival: T0+349729 s

NH (Galactic)7.29 × 1020 cm-2
NH (intrinsic)5 (+31, -5) × 1020 cm-2
z of absorber0
Photon index2.21 (+1.07, -0.57)
Flux (0.3-10 keV)
(Observed)
1.3 (+0.6, -0.5) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.8 (+0.8, -0.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.77 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.79 × 10-11 erg cm-2 ct-1
W-stat
What's this?(dof)
36.36 (45)
Spectrum exposure17.3 ks