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Swift-XRT spectra of GRB 190829A

Last updated after receiving ObsID 00922968049, version 5

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.0785 (GCN 25565)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 103 to 46017 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+157 s

N_H (Galactic)	5.60 × 10²⁰ cm^-2
N_H (intrinsic)	9.0 (+1.9, -1.7) × 10²¹ cm^-2
z of absorber	0.0785
Photon index	2.19 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	3.71 (+0.32, -0.30) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.66 (+1.42, -0.98) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.97 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.20 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	380.81 (386)
Spectrum exposure	128 s

PC mode. Mean photon arrival: T0+13160 s

N_H (Galactic)	5.60 × 10²⁰ cm^-2
N_H (intrinsic)	1.36 (+0.10, -0.10) × 10²² cm^-2
z of absorber	0.0785
Photon index	2.11 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	1.06 (+0.04, -0.03) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.26 (+0.16, -0.14) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.01 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	639.35 (647)
Spectrum exposure	10.8 ks

Late Time spectrum (T0 + 4845 to 46017 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16043 s

N_H (Galactic)	5.60 × 10²⁰ cm^-2
N_H (intrinsic)	1.25 (+0.11, -0.10) × 10²² cm^-2
z of absorber	0.0785
Photon index	2.02 (+0.09, -0.08)
Flux (0.3-10 keV) (Observed)	9.0 (+0.3, -0.3) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.74 (+0.12, -0.10) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.86 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.40 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	626.10 (634)
Spectrum exposure	9.9 ks