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Swift-XRT spectra of GRB 250430A

Last updated after receiving ObsID 01308754002, version 12

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.767 (GCN 40301)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 166 to 1889 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+1058 s

N_H (Galactic)	9.57 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+2.6, -2.2) × 10²¹ cm^-2
z of absorber	0.767
Photon index	1.85 (+0.22, -0.21)
Flux (0.3-10 keV) (Observed)	2.19 (+0.34, -0.29) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.75 (+0.32, -0.29) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.76 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	207.23 (200)
Spectrum exposure	1.4 ks

Late Time spectrum (T0 + 9223372036854775807 to 9223372036854775807 s)

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