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Swift-XRT spectra of GRB 180925A

Last updated after receiving ObsID 00863421002, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 115 to 34294 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+181 s

N_H (Galactic)	3.28 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.54 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	8.1 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.8 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.66 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.61 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	575.87 (594)
Spectrum exposure	191 s

PC mode. Mean photon arrival: T0+2226 s

N_H (Galactic)	3.28 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.6, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.81 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	4.2 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.2 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.86 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.81 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	266.84 (303)
Spectrum exposure	8.6 ks

Late Time spectrum (T0 + 5305 to 34294 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10456 s

N_H (Galactic)	3.28 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+2.2, -1.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.9 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	8.5 (+3.2, -2.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.11 (+0.29, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.77 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	54.63 (67)
Spectrum exposure	6.9 ks