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Swift-XRT spectra of GRB 250520A

Last updated after receiving ObsID 01315630001, version 6

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 147 to 50137 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+155 s

N_H (Galactic)	3.68 × 10²¹ cm^-2
N_H (intrinsic)	2.4 (+24.7, -2.4) × 10²¹ cm^-2
z of absorber	0
Photon index	0.67 (+1.28, -0.95)
Flux (0.3-10 keV) (Observed)	2.3 (+1.5, -1.1) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.51 (+1.66, -0.51) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	8.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.29 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	24.89 (33)
Spectrum exposure	16 s

PC mode. Mean photon arrival: T0+3935 s

N_H (Galactic)	3.68 × 10²¹ cm^-2
N_H (intrinsic)	1.0 (+0.6, -0.4) × 10²² cm^-2
z of absorber	0
Photon index	2.2 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.78 (+0.35, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.2 (+4.1, -1.1) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.17 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	131.10 (167)
Spectrum exposure	8.9 ks

Late Time spectrum (T0 + 16701 to 50137 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23614 s

N_H (Galactic)	3.68 × 10²¹ cm^-2
N_H (intrinsic)	1.6 (+3.1, -1.6) × 10²² cm^-2
z of absorber	0
Photon index	2.6 (+2.2, -1.5)
Flux (0.3-10 keV) (Observed)	2.9 (+2.1, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.23 (+20.99, -0.76) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.47 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.92 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	24.73 (28)
Spectrum exposure	7.7 ks