Open Access

Table 6

Parameters for the decomposition method.

Parameter Type Prior/value
Number of components (Nc) Fixed 10, 15
Minimum line width (σmin) Fixed 1, 2 km s−1
Minimum separation (Δvmin) Fixed 0, 1, 2 km s−1

Intensity (Gaussian area) Free, uniform >0
Line width Free, half-normal >σmin
Separation between components Free, half-uniform vmin

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