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Swift-XRT spectra of GRB 251208B

Last updated after receiving ObsID 00021893001, version 4

Data were analysed using HEASOFT version -1

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

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

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+38470 s

N_H (Galactic)	2.58 × 10²⁰ cm^-2
N_H (intrinsic)	1.16 (+1.06, -0.85) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	1.53 (+0.32, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.2 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.10 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	108.18 (126)
Spectrum exposure	4.8 ks

Late Time spectrum (T0 + 33120 to 45379 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+38470 s

N_H (Galactic)	2.58 × 10²⁰ cm^-2
N_H (intrinsic)	1.16 (+1.06, -0.85) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	1.53 (+0.32, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.2 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.10 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	108.18 (126)
Spectrum exposure	4.8 ks