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Swift-XRT spectra of GRB 251208B — Source 2

Last updated at 2025-12-09 at 04:04:15 UTC

xrtpipeline was called using the Swift 6.35.2 software

About these products.

Time-averaged spectrum (T0 + 33120 to 45379 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 251208B

PC mode. Mean photon arrival: T0+39463 s

N_H (Galactic)	2.56 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+32, -6) × 10²³ cm^-2
z of absorber	0
Photon index	3.0 (+4.2, -3.0)
Flux (0.3-10 keV) (Observed)	9 (+63, -8) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5 (+42, -5) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.86 × 10^-8 erg cm^-2 ct^-1
Counts to flux (unabs)	1.67 × 10^-6 erg cm^-2 ct^-1
W-stat What's this?(dof)	4.07 (5)
Spectrum exposure	4.8 ks