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Swift-XRT spectra of GRB 251208B — Source 4

Last updated at 2025-12-09 at 04:04:11 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+40202 s

N_H (Galactic)	2.52 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.02 × 10²¹, -0) cm^-2
z of absorber	0
Photon index/th>	4.27 (+??, -1.45)
Flux (0.3-10 keV) (Observed)	6 (+5, -3) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7 (+1.00 × 10¹⁴, -5) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	2.43 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.09 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	9.93 (4)
Spectrum exposure	4.8 ks