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Swift-XRT spectra of GRB 180504A

Last updated after receiving ObsID 00830822003, version 4

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 114 to 36121 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+176 s

N_H (Galactic)	3.50 × 10²⁰ cm^-2
N_H (intrinsic)	5.6 (+3.0, -2.7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.78 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	4.23 (+0.29, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.87 (+0.26, -0.22) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.18 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	405.66 (460)
Spectrum exposure	163 s

PC mode. Mean photon arrival: T0+4769 s

N_H (Galactic)	3.50 × 10²⁰ cm^-2
N_H (intrinsic)	9 (+7, -6) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.82 (+0.21, -0.20)
Flux (0.3-10 keV) (Observed)	2.16 (+0.29, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.61 (+0.27, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.49 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	231.38 (244)
Spectrum exposure	13.9 ks

Late Time spectrum (T0 + 5132 to 36121 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14290 s

N_H (Galactic)	3.50 × 10²⁰ cm^-2
N_H (intrinsic)	8.8 (+13.5, -8.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.8 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	5.2 (+1.4, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.2 (+1.2, -1.1) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.45 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	108.05 (104)
Spectrum exposure	12.3 ks