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Table 2.

Priors on the model parameters used in the fitting procedure.

EM (ρ Ophiuchi and Perseus) > 0 pc⋅cm−6
EM (W43) 1000 − 1500 pc⋅cm−6
AAME > 0
νAME 10.0 − 60.0 GHz
WAME 0.2 − 1.0
Td 10 − 40 K
τ250 0.0005 − 0.005
βd 1 − 3
ΔTCMB (ρ Ophiuchi) 𝒩(0, 32.3) μK
ΔTCMB (Perseus) 𝒩(0, 23.5) μK
ΔTCMB (W43) 𝒩(0, 28.5) μK

Notes. We have used top-hat priors for all parameters except for ΔTCMB for which we have used Gaussian priors.

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