Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of EP250821a — Source 1

Last updated at 2025-08-29 at 13:33:02 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 1

PC mode. Mean photon arrival: T0+25386 s

NH (Galactic)7.26 × 1020 cm-2
NH (intrinsic)7 (+7, -6) × 1020 cm-2
z of absorber0
Photon index1.97 (+0.22, -0.21)
Flux (0.3-10 keV)
(Observed)
1.16 (+0.16, -0.13) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.486 (+0.158, -0.077) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.51 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.50 × 10-11 erg cm-2 ct-1
W-stat
What's this?(dof)
182.42 (239)
Spectrum exposure17.3 ks