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Swift-XRT spectra of GRB 250309B/IceCube-250309A — Source 15

Last updated at 2025-03-11 at 12:26:44 UTC

About these products.

Time-averaged spectrum (T0 + 46059 to 136018 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 250309B/IceCube-250309A - source 15

PC mode. Mean photon arrival: T0+76364 s

N_H (Galactic)	3.03 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+6.65 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.63 (+0.34, -0.15)
Flux (0.3-10 keV) (Observed)	1.53 (+0.26, -0.30) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.57 (+0.27, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.00 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.08 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	89.14 (111)
Spectrum exposure	8.2 ks