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Searching for Barium Stars from the LAMOST Spectra Using the Machine-learning Method: I

  • Authors: Fengyue Guo, Zhongding Cheng, Xiaoming Kong, Yatao Zhang, Yude Bu, Zhenping Yi, Bing Du, Jingchang Pan

Fengyue Guo et al 2023 The Astronomical Journal 165 .

  • Provider: AAS Journals

Caption: Figure 1.

Distribution of barium stars adopted as positive samples in the plane of T eff–﹩\mathrm{log}g﹩, the colors indicate the [Fe/H] of stars. The triangle symbols indicate the barium star sample provided by L18, and the dot symbols indicate samples provided by N19.

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