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

Open Access

Table 1

Mean value and 1σ scatter of the predicted-to-true enclosed mass ratio M(< r)_pred/M(< r)_true for the Star, Gas, and StarGas models.

M(< r)_pred/M(< r)_true
NN model	0.6 R_hl	R_hl	2.4 R_hl
Star	${0.99}_{- 0.21}^{+ 0.32}$ $Mathematical equation: $\[0.99_{-0.21}^{+0.32}\]$$	${1.00}_{- 0.17}^{+ 0.23}$ $Mathematical equation: $\[1.00_{-0.17}^{+0.23}\]$$	${1.00}_{- 0.18}^{+ 0.22}$ $Mathematical equation: $\[1.00_{-0.18}^{+0.22}\]$$
Gas	${0.97}_{- 0.39}^{+ 0.87}$ $Mathematical equation: $\[0.97_{-0.39}^{+0.87}\]$$	${1.00}_{- 0.29}^{+ 0.46}$ $Mathematical equation: $\[1.00_{-0.29}^{+0.46}\]$$	${1.03}_{- 0.29}^{+ 0.36}$ $Mathematical equation: $\[1.03_{-0.29}^{+0.36}\]$$
StarGas	${1.00}_{- 0.16}^{+ 0.19}$ $Mathematical equation: $\[1.00_{-0.16}^{+0.19}\]$$	${1.00}_{- 0.13}^{+ 0.14}$ $Mathematical equation: $\[1.00_{-0.13}^{+0.14}\]$$	${1.00}_{- 0.13}^{+ 0.17}$ $Mathematical equation: $\[1.00_{-0.13}^{+0.17}\]$$

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