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Swift-XRT spectra of GRB 250309B/IceCube-250309A — Source 11

Last updated at 2025-03-11 at 20:45:56 UTC

About these products.

Time-averaged spectrum (T0 + 63162 to 70248 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 250309B/IceCube-250309A - source 11

PC mode. Mean photon arrival: T0+67001 s

N_H (Galactic)	3.58 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.28 × 10²², -0) cm^-2
z of absorber	0
Photon index/th>	1.65 (+??, -2.67)
Flux (0.3-10 keV) (Observed)	9.1 (+16.9, -8.1) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	10 (+33, -8) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	4.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.64 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	2.25 (2)
Spectrum exposure	3.8 ks