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Swift-XRT spectra of GRB 251018A

Last updated after receiving ObsID 01405083003, version 2

Data were analysed using HEASOFT version -1

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 80 to 50231 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+184 s

N_H (Galactic)	9.43 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+6, -5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.68 (+0.15, -0.14)
Flux (0.3-10 keV) (Observed)	2.32 (+0.21, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.74 (+0.19, -0.18) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.98 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.70 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	351.25 (392)
Spectrum exposure	259 s

PC mode. Mean photon arrival: T0+7618 s

N_H (Galactic)	9.43 × 10²⁰ cm^-2
N_H (intrinsic)	1.12 (+1.13, -0.91) × 10²¹ cm^-2
z of absorber	0
Photon index	1.81 (+0.25, -0.23)
Flux (0.3-10 keV) (Observed)	4.5 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.7 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.05 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.19 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	197.65 (240)
Spectrum exposure	7.2 ks

Late Time spectrum (T0 + 4173 to 50231 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13537 s

N_H (Galactic)	9.43 × 10²⁰ cm^-2
N_H (intrinsic)	6.5 (+13.8, -6.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.9 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	1.8 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.23 (+0.36, -0.17) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.79 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	128.02 (158)
Spectrum exposure	6.9 ks