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Value-added Catalogs of M-type Stars in LAMOST DR5

  • Authors: Jing Zhong, Jing Li, Jeffrey L. Carlin, Li Chen, Rene A. Mendez, and Jinliang Hou

2019 The Astrophysical Journal Supplement Series 244 8.

  • Provider: AAS Journals

Caption: Figure 5.

Spectral indices for all M giants. The blue and red dots represent M giants and confirmed carbon stars, respectively. The concentrated distribution of carbon stars in the spectral indices diagram suggests that CaH indices are efficient criteria for discriminating carbon stars in the M giants sample.

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