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Swift-XRT spectra of GRB 240418A

Last updated after receiving ObsID 01222885001, version 9

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 129 to 44861 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+6725 s

N_H (Galactic)	5.26 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.27 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	2.0 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	3.6 (+1.0, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.92 (+1.44, -0.98) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.25 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.53 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	39.46 (44)
Spectrum exposure	6.1 ks

Late Time spectrum (T0 + 4030 to 44861 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15796 s

N_H (Galactic)	5.26 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+10.5, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	1.97 (+1.95, -0.92)
Flux (0.3-10 keV) (Observed)	1.81 (+1.76, -0.91) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.40 (+10.01, -0.98) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.57 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.73 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	19.85 (20)
Spectrum exposure	5.6 ks