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Swift-XRT spectra of GRB 170519A

Last updated after receiving ObsID 00753445006, version 11

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.818 (GCN 21119)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 86 to 33566 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+205 s

N_H (Galactic)	2.37 × 10²⁰ cm^-2
N_H (intrinsic)	5.3 (+0.3, -0.3) × 10²¹ cm^-2
z of absorber	0.818
Photon index	2.55 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	1.79 (+0.03, -0.03) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.04 (+0.09, -0.08) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.64 × 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?	625.97 (620)
Spectrum exposure	291 s

PC mode. Mean photon arrival: T0+11055 s

N_H (Galactic)	2.37 × 10²⁰ cm^-2
N_H (intrinsic)	3.9 (+1.0, -0.9) × 10²¹ cm^-2
z of absorber	0.818
Photon index	1.97 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	8.1 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.02 (+0.05, -0.05) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.40 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.29 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	357.56 (432)
Spectrum exposure	12.3 ks

Late Time spectrum (T0 + 4133 to 33566 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13043 s

N_H (Galactic)	2.37 × 10²⁰ cm^-2
N_H (intrinsic)	4.9 (+1.2, -1.1) × 10²¹ cm^-2
z of absorber	0.818
Photon index	2.02 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	6.6 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.7 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.44 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	339.69 (400)
Spectrum exposure	11.8 ks