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Swift-XRT spectra of GRB 250309B/IceCube-250309A — Source 10

Last updated at 2025-03-11 at 20:46:11 UTC

About these products.

Time-averaged spectrum (T0 + 13204 to 70248 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of GRB 250309B/IceCube-250309A - source 10

PC mode. Mean photon arrival: T0+66584 s

N_H (Galactic)	3.54 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.88 × 10²², -0) cm^-2
z of absorber	0
Photon index/th>	2.09 (+??, -1.51)
Flux (0.3-10 keV) (Observed)	7.1 (+10.7, -6.4) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8 (+1.00 × 10¹⁴, -6) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	2.55 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.81 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	5.67 (2)
Spectrum exposure	4.5 ks