Untangling stellar components of galaxies: Evaluation of dynamical decomposition methods in simulated galaxies with GalaxyChop

Open Access

Table 3.

Disk half mass radius, disk half mass height, and spheroid half mass radius for the stellar components obtained with the dynamical decomposition methods implemented in the GalaxyChop package of the simulated galaxy from the IllustrisTNG simulations (ID 486966).

Method	R_{half, dsk}	z_{half, dsk}	r_{half, sph}
	[kpc]	[kpc]	[kpc]
JThreshold	6.82	0.51	2.55
JHistogram	5.83	0.53	2.42
JEHistogram	5.88	0.53	2.28
KMeans	6.39	0.52	2.33
GaussianMixture	7.24	0.51	2.89
AutoGaussianMixture	6.81	0.55	2.23

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