QUIJOTE scientific results - XVIII. New constraints on the polarisation of the anomalous microwave emission in bright Galactic regions: ρ Ophiuchi, Perseus, and W43

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Table 3.

Best-fitting model parameters for ρ Ophiuchi, Perseus, and W43 in intensity.

	ρ Ophiuchi		Perseus		W43

Parameter	With QUIJOTE	Without	With QUIJOTE	Without	With QUIJOTE	Without
EM (pc⋅cm⁻⁶)	$16_{- 11}^{+ 16}$ $16^{+16}_{-11}$	$14_{- 10}^{+ 15}$ $14^{+15}_{-10}$	33 ± 8	$30_{- 11}^{+ 9}$ $30^{+9}_{-11}$	3974 ± 204	3945 ± 200
T_d (K)	$22 . 5_{- 0.7}^{+ 0.5}$ $22.5^{+0.5}_{-0.7}$	$22 . 6_{- 0.6}^{+ 0.5}$ $22.6^{+0.5}_{-0.6}$	19.3 ± 0.7	19.1 ± 0.8	23.4 ± 1.0	23.4 ± 1.0
β_d	1.60 ± 0.05	1.57 ± 0.04	1.60 ± 0.08	1.64 ± 0.10	1.68 ± 0.06	1.69 ± 0.05
τ₂₅₀(×10⁻⁴)	$5 . 5_{- 0.3}^{+ 0.6}$ $5.5^{+0.6}_{-0.3}$	$5 . 4_{- 0.3}^{+ 0.5}$ $5.4^{+0.5}_{-0.3}$	$2 . 1_{- 0.2}^{+ 0.4}$ $2.1^{+0.4}_{-0.2}$	$2 . 2_{- 0.3}^{+ 0.5}$ $2.2^{+0.5}_{-0.3}$	$32 . 2_{- 4.1}^{+ 4.6}$ $32.2^{+4.6}_{-4.1}$	$32 . 6_{- 4.1}^{+ 4.6}$ $32.6^{+4.6}_{-4.1}$
ΔT_CMB(μK)	30 ± 26	23 ± 27	14 ± 22	5 ± 23	8 ± 28	8 ± 28
A_AME (Jy)	26.7 ± 1.7	27.5 ± 1.8	30.8 ± 2.3	$31 . 3_{- 3.0}^{+ 3.4}$ $31.3^{+3.4}_{-3.0}$	208 ± 19	214 ± 23
ν_AME (GHz)	$30 . 2_{- 1.6}^{+ 2.1}$ $30.2^{+2.1}_{-1.6}$	$27 . 5_{- 3.5}^{+ 2.7}$ $27.5^{+2.7}_{-3.5}$	$27 . 4_{- 1.4}^{+ 1.7}$ $27.4^{+1.7}_{-1.4}$	$22 . 3_{- 4.6}^{+ 5.0}$ $22.3^{+5.0}_{-4.6}$	24.9 ± 1.5	22.9 ± 3.3
W_AME	0.57 ± 0.07	0.69 ± 0.17	0.54 ± 0.07	1.0 ± 0.3	0.75 ± 0.10	$0 . 84_{- 0.14}^{+ 0.11}$ $0.84^{+0.11}_{-0.14}$

$χ_{red}^{2}$ $\chi^{2}_{\mathrm{red}}$	0.45	0.69	0.27	0.26	0.92	1.02

Notes. We compare the two cases in which we include and exclude the QUIJOTE-MFI flux densities in the fit. In the last line we show the reduced chi-squared of each fit.

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