Fig. 19.
Showcase of five newly identified peculiar mid-B type stars, illustrating the blue-violet region of the LAMOST DR4 spectra of (from top to bottom) LAMOST J014940.99+534134.2 (#37; TYC 3684-1139-1), LAMOST J052118.97+320805.7 (#318; HD 242764), LAMOST J055023.89+261330.2 (#421; TYC 1866-861-1), LAMOST J062307.91+264642.0 (#565; Gaia DR2 3432273606513132544), and LAMOST J062348.46+034201.1 (#567; HD 256582). MKCLASS final types and manual types derived in the present study are indicated. Some prominent lines of interest are identified. The asterisk marks the position of a “glitch” in the spectrum of LAMOST J014940.99+534134.2.
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