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Swift-XRT spectra of GRB 180924A

Last updated after receiving ObsID 00863186003, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 82 to 23219 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+132 s

N_H (Galactic)	2.03 × 10²⁰ cm^-2
N_H (intrinsic)	9 (+4, -3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.95 (+0.13, -0.12)
Flux (0.3-10 keV) (Observed)	3.85 (+0.29, -0.28) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.72 (+0.29, -0.28) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.35 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	317.15 (388)
Spectrum exposure	141 s

PC mode. Mean photon arrival: T0+6749 s

N_H (Galactic)	2.03 × 10²⁰ cm^-2
N_H (intrinsic)	9 (+6, -5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.97 (+0.21, -0.19)
Flux (0.3-10 keV) (Observed)	4.8 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.9 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.35 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	211.30 (245)
Spectrum exposure	5.4 ks

Late Time spectrum (T0 + 5411 to 23219 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10441 s

N_H (Galactic)	2.03 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.39 (+0.31, -0.28)
Flux (0.3-10 keV) (Observed)	2.34 (+0.35, -0.29) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.6 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.25 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	160.18 (171)
Spectrum exposure	5.0 ks