Open Access

Table 2

Comparison of different algorithms based on magnitudes, colors, and photometric images for low-quality samples.

Algorithm σTeff (K) σlog g (dex) σ[Fe/H] (dex)
w/o parallax w/ parallax w/o parallax w/ parallax w/o parallax w/ parallax
RF_mag&color 125.200 112.129 0.346 0.091 0.203 0.181
XGBoost_mag&color 123.906 110.721 0.338 0.089 0.196 0.173
LightGBM_mag&color 122.252 110.559 0.332 0.089 0.193 0.169
CatBoost_mag&color 122.400 110.071 0.333 0.088 0.192 0.168
ACF 116.816 104.269 0.297 0.082 0.170 0.153

Notes. Bold values represent the atmospheric parameter estimates with the highest precision, evaluated using deviations as the metric.

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