Multiwavelength view of SPT-CL J2106-5844 - The radio galaxies and the thermal and relativistic plasmas in a massive galaxy cluster merger at z ≃ 1.13

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Volume 650 (June 2021)

A&A, 650 (2021) A153

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Table 1.

Parameters of the model employed in the analysis of the Band 3 and Band 4 ALMA+ACA data.

Parameter	Prior distribution
Northern gNFW component
RA	Uniform	min = 21^h05^m56^s.00, max = 21^h06^m13^s.00
Dec	Ordered uniform	min = −58° 45′30.00″, max = −58° 43′30″
M₅₀₀^(a)	Log-uniform	min = 10¹² M_⊙, max = 10¹⁶ M_⊙
Inner slope	Uniform	min = 0.00, max = 2.00
Southern gNFW component
RA	Uniform	min = 21^h05^m56^s.00, max = 21^h06^m13^s.00
Dec	Ordered uniform	min = −58° 45′30″.00, max = −58° 43′30″
M₅₀₀^(a)	Log-uniform	min = 10¹² M_⊙, max = 10¹⁶ M_⊙
Inner slope	Uniform	min = 0.00, max = 2.00
Compact source^(b)
RA	Uniform	min = 21^h05^m56^s.00, max = 21^h06^m13^s.00
Dec	Uniform	min = −58° 45′30″.00, max = −58° 43′30″
Flux at 5 GHz	Uniform	min = 0.00 mJy, max = 5.00 mJy
Spectral index	Uniform	min = −3.00, max = 5.00
Spectral curvature	Uniform	min = −1.00, max = 1.00

Notes.

^(a)

M₅₀₀ corresponds to the mass of the galaxy cluster within the radius r₅₀₀.

^(b)

We are assuming a spectral dependence of the form F(ν) = F_5GHz (ν/5, GHz)^{α + βlog(ν/5 GHz)}, with α and β corresponding to the spectral index and curvature of the source spectrum.

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