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Swift-XRT spectra of GRB 251208B — Source 3

Last updated at 2025-12-09 at 04:04:14 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+38174 s

N_H (Galactic)	2.55 × 10²⁰ cm^-2
N_H (intrinsic)	7.9 (+15.0, -7.9) × 10²¹ cm^-2
z of absorber	0
Photon index	3.7 (+58.4, -2.9)
Flux (0.3-10 keV) (Observed)	1.1 (+3.4, -0.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.1 (+1.00 × 10¹², -1.1) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.18 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.31 × 10^-10 erg cm^-2 ct^-1
W-stat What's this?(dof)	4.64 (4)
Spectrum exposure	4.8 ks