Figure 3 from A Catalog of OB Stars from LAMOST Spectroscopic Survey

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A Catalog of OB Stars from LAMOST Spectroscopic Survey

Authors: Zhicun Liu, Wenyuan Cui, Chao Liu, Yang Huang, Gang Zhao, and Bo Zhang

2019 The Astrophysical Journal Supplement Series 241 32.

Provider: AAS Journals

Caption: Figure 3.

Top panel: histogram of the EW of Hγ(4340 Å) for 122,846 OB star candidates (black) and 21,690 identified normal OB stars (red) and 101,156 non-OB (blue) stars. Bottom panel: histogram of the EW of He I (4471 Å) for 122,849 OB star candidates (black), 21,690 identified normal OB stars (red), and 101,159 non-OB (blue) stars.

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