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Chromospheric Activity of Periodic Variable Stars Based on the LAMOST Low- and Medium-resolution Spectral Survey

  • Authors: Liu Long, Li-yun Zhang*, Shao-Lan Bi, Jianrong Shi, Hong-Peng Lu, Xianming L. Han, Haifeng Wang, and Misra Prabhakar

2021 The Astrophysical Journal Supplement Series 253 51.

  • Provider: AAS Journals

Caption: Figure 10.

Ratio of maximum and minimum EWs of Hα lines, R(EWHα), plotted against spectral type. The inset shows the mean values of R(EWHα) as a function of spectral type.

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