Beyond single tracers: Convolutional neural network-based inference of galaxy mass profiles from combined gas and stellar kinematics

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Table 2

Mean value and 1σ scatter of predicted-to-true enclosed mass ratio M(< r)_pred/M(< r)_true for various training and testing combinations across NIHAO and AURIGA simulation suites using the StarGas model.

M(< r)_pred/M(< r)_true, StarGas model

Trained	Tested	0.6 R_hl	R_hl	2.4 R_hl
NIHAO	NIHAO	${0.99}_{- 0.16}^{+ 0.24}$ $Mathematical equation: $\[0.99_{-0.16}^{+0.24}\]$$	${1.00}_{- 0.13}^{+ 0.16}$ $Mathematical equation: $\[1.00_{-0.13}^{+0.16}\]$$	${1.01}_{- 0.14}^{+ 0.17}$ $Mathematical equation: $\[1.01_{-0.14}^{+0.17}\]$$
NIHAO
	AURIGA	${0.94}_{- 0.22}^{+ 0.37}$ $Mathematical equation: $\[0.94_{-0.22}^{+0.37}\]$$	${0.95}_{- 0.20}^{+ 0.32}$ $Mathematical equation: $\[0.95_{-0.20}^{+0.32}\]$$	${0.96}_{- 0.17}^{+ 0.26}$ $Mathematical equation: $\[0.96_{-0.17}^{+0.26}\]$$

AURIGA	NIHAO	${0.93}_{- 0.32}^{+ 1.07}$ $Mathematical equation: $\[0.93_{-0.32}^{+1.07}\]$$	${0.97}_{- 0.25}^{+ 0.57}$ $Mathematical equation: $\[0.97_{-0.25}^{+0.57}\]$$	${1.03}_{- 0.40}^{+ 0.36}$ $Mathematical equation: $\[1.03_{-0.40}^{+0.36}\]$$
AURIGA
	AURIGA	${1.01}_{- 0.22}^{+ 0.26}$ $Mathematical equation: $\[1.01_{-0.22}^{+0.26}\]$$	${1.01}_{- 0.20}^{+ 0.21}$ $Mathematical equation: $\[1.01_{-0.20}^{+0.21}\]$$	${1.01}_{- 0.15}^{+ 0.14}$ $Mathematical equation: $\[1.01_{-0.15}^{+0.14}\]$$

BOTH	NIHAO	${1.00}_{- 0.14}^{+ 0.23}$ $Mathematical equation: $\[1.00_{-0.14}^{+0.23}\]$$	${1.02}_{- 0.16}^{+ 0.18}$ $Mathematical equation: $\[1.02_{-0.16}^{+0.18}\]$$	${1.00}_{- 0.12}^{+ 0.22}$ $Mathematical equation: $\[1.00_{-0.12}^{+0.22}\]$$
BOTH
	AURIGA	${0.98}_{- 0.22}^{+ 0.28}$ $Mathematical equation: $\[0.98_{-0.22}^{+0.28}\]$$	${0.98}_{- 0.20}^{+ 0.24}$ $Mathematical equation: $\[0.98_{-0.20}^{+0.24}\]$$	${0.99}_{- 0.16}^{+ 0.20}$ $Mathematical equation: $\[0.99_{-0.16}^{+0.20}\]$$

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