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Swift-XRT spectra of GRB 190829A

Last updated after receiving ObsID 00922968049, version 5

Data were analysed using HEASOFT version 6.32

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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)	9.1 (+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)	7.70 (+1.45, -0.99) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.98 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	379.27 (386)
Spectrum exposure	128 s

PC mode. Mean photon arrival: T0+12311 s

N_H (Galactic)	5.60 × 10²⁰ cm^-2
N_H (intrinsic)	1.38 (+0.10, -0.09) × 10²² cm^-2
z of absorber	0.0785
Photon index	2.13 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	1.21 (+0.04, -0.04) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.61 (+0.18, -0.16) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.73 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.02 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	672.34 (653)
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+14806 s

N_H (Galactic)	5.60 × 10²⁰ cm^-2
N_H (intrinsic)	1.278 (+0.103, -0.098) × 10²² cm^-2
z of absorber	0.0785
Photon index	2.04 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	1.05 (+0.04, -0.04) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.08 (+0.14, -0.12) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.59 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	665.21 (640)
Spectrum exposure	9.9 ks