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Swift-XRT spectra of GRB 181023A

Last updated after receiving ObsID 00868427009, version 6

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 199 to 41051 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+205 s

N_H (Galactic)	6.04 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+9.24 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.5 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	7.0 (+4.6, -2.6) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.5 (+2.9, -3.8) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	1.85 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.27 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	40.47 (36)
Spectrum exposure	13 s

PC mode. Mean photon arrival: T0+8777 s

N_H (Galactic)	6.04 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+0.3, -0.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.88 (+0.08, -0.07)
Flux (0.3-10 keV) (Observed)	3.50 (+0.16, -0.15) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.80 (+0.17, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.90 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.36 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	544.21 (584)
Spectrum exposure	10.5 ks

Late Time spectrum (T0 + 5389 to 41051 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12740 s

N_H (Galactic)	6.04 × 10²⁰ cm^-2
N_H (intrinsic)	2.1 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.99 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	1.900 (+0.103, -0.097) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.74 (+0.12, -0.13) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.25 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	491.23 (501)
Spectrum exposure	9.1 ks