Galactic magnetic field reconstruction using the polarized diffuse Galactic emission: formalism and application to Planck data

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Volume 652 (August 2021)

A&A, 652 (2021) A130

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Table 4

Free parameters of the GMF models are given for the three explored modelings (ASS, LSA, BSS, and QSS).

Model	Parameter	Explored range	Best-fit values (full-sky)

			n_d ≡ ED	n_d ≡ ARM4	n_d ≡ ARM4⊕ED
ASS	p (°)	]0, 65]	26.67 ± 0.02	26.53 ± 0.02	25.74 ± 0.02
	χ₀ (°)	] − 180, 180]	− 1.27 ± 0.02	− 2.49 ± 0.02	− 1.85 ± 0.02
WMAP	ψ₀ (°)	]0, 65]	32.61 ± 0.02	34.84 ± 0.02	35.40 ± 0.02
	ψ₁ (°)	] − 180, 360]	− 34.28 ± 0.04	− 44.47 ± 0.05	− 56.18 ± 0.06
	χ₀ (°)	] − 180, 180]	− 4.68 ± 0.02	− 5.82 ± 0.02	− 6.94 ± 0.02
BSS	p (°)	]0, 65]	24.586 ± 0.002	21.955 ± 0.001	17.514 ± 0.002
	χ₀ (°)	] − 180, 180]	− 3.073 ± 0.008	− 7.43 ± 0.04	− 5.01 ± 0.01
	ρ₀ (kpc)	]4, 10]	4.2544 ± 0.0003	4.7355 ± 0.0002	5.1553 ± 0.0003
	z₀ (kpc)	]0, 3]	0.318 ± 0.001	0.789 ± 0.005	0.268 ± 0.001
QSS	p (°)	]0, 65]	25.706 ± 0.002	29.817 ± 0.004	25.843 ± 0.002
	χ₀ (°)	] − 180, 180]	3.217 ± 0.006	3.5687 ± 0.008	4.29 ± 0.01
	ρ₀ (kpc)	]4, 10]	5.8503 ± 0.0002	5.6058 ± 0.0004	5.8389 ± 0.0003
	z₀ (kpc)	]0, 3]	0.0981 ± 0.0004	0.1770 ± 0.0007	0.1712 ± 0.0007

Notes. Column two and three give the model parameters and the ranges that are explored. Columns 4–6 give the best-fit parameter values while assuming the dust density distribution to be given by the best-fit of the three n_d models: ED, ARM4, and ARM4⊕ED.

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