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 Series24132.
Provider: AAS Journals
Caption: Figure 2.
Distribution of 151,902 OB star candidates (the contours) in the Fe vs. Hγ plane. The symbols are same as in Figure 1. The red solid lines, which are based on Equations (4), are the line cuts used to further select OB star candidates.