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Swift-XRT spectra of EP250821a — Source 4

Last updated at 2025-08-29 at 13:31:12 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 4

PC mode. Mean photon arrival: T0+217967 s

N_H (Galactic)	7.30 × 10²⁰ cm^-2
N_H (intrinsic)	6.509 (+32.179, -0.020) × 10²¹ cm^-2
z of absorber	0
Photon index	9 (+69, -9)
Flux (0.3-10 keV) (Observed)	3.1 (+20.3, -1.1) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.8 (+1.00 × 10¹³, -2.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.36 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.23 × 10^-10 erg cm^-2 ct^-1
W-stat What's this?(dof)	7.80 (12)
Spectrum exposure	17.3 ks