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Swift-XRT spectra of GRB 250419A

Last updated after receiving ObsID 00019724005, version 13

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3756 to 9554 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+5173 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	5.5 (+10.4, -5.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.9 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	4.0 (+1.0, -0.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.9, -0.8) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	80.61 (114)
Spectrum exposure	2.0 ks

Late Time spectrum (T0 + 4002 to 9554 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+5335 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	4.8 (+10.9, -4.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.8 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	4.08 (+1.08, -0.84) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.9, -0.8) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.59 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	72.56 (103)
Spectrum exposure	1.7 ks