Investigating the Source of Planck-Detected AME: High-Resolution Observations at 15 GHz

Table 3

Maximum likelihood parameters for two-component free-free model fitted to G107.1 + 5.2.

Parameter	HII	𝑈𝐶/𝐻𝐶𝐻II^‡	Thermal dust
𝑇𝑒 [K]	8000	8000	—
𝑇𝑑 [K]	—	—	18.96
EM [cm^−6 pc]	147±47	4.4×10^7	—
𝛽	—	—	2.20±0.18
Size^† [arcmin]	60	0.16	60

^†Radius of circular aperture. ^‡Listed parameters represent the best fit values, and uncertainties are highly nonsymmetric.