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Swift-XRT spectra of EP250421a — Source 1

Last updated at 2025-04-22 at 04:34:15 UTC

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Time-averaged spectrum (T0 + 5846 to 11704 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of EP250421a - source 1

PC mode. Mean photon arrival: T0+6919 s

NH (Galactic)5.09 × 1020 cm-2
NH (intrinsic)2.69 (+1.12, -0.98) × 1021 cm-2
z of absorber0
Photon index2.00 (+0.25, -0.24)
Flux (0.3-10 keV)
(Observed)
1.04 (+0.15, -0.13) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.55 (+0.18, -0.17) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.85 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.73 × 10-11 erg cm-2 ct-1
W-stat
What's this?(dof)
173.22 (227)
Spectrum exposure1.8 ks