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Swift-XRT spectra of GRB 240415A

Last updated after receiving ObsID 01221874001, version 16

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3309 to 26765 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+3442 s

N_H (Galactic)	2.49 × 10²⁰ cm^-2
N_H (intrinsic)	2.8 (+2.9, -1.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	2.1 (+0.6, -0.5) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.17 (+1.62, -0.63) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.51 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.34 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	103.65 (140)
Spectrum exposure	281 s

PC mode. Mean photon arrival: T0+9043 s

N_H (Galactic)	2.49 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.07 (+0.16, -0.16)
Flux (0.3-10 keV) (Observed)	9.1 (+0.8, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.25 (+0.09, -0.09) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.45 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.75 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	304.28 (328)
Spectrum exposure	5.2 ks

Late Time spectrum (T0 + 4001 to 26765 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9974 s

N_H (Galactic)	2.49 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.20 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	7.7 (+0.8, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.166 (+0.095, -0.107) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.27 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.91 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	276.93 (294)
Spectrum exposure	4.7 ks