Speckle imaging of 81 RR Lyrae stars detects 10 likely bound companions at 20-220 AU separations, yielding a binary fraction estimate above 12 percent.
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HELM machine learning applied to LAMOST DR1 spectra yields 56 hot subdwarfs (5 He-rich, 51 He-poor) whose parameters confirm two helium sequences.
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Finding the elusive RR Lyrae companions via speckle imaging
Speckle imaging of 81 RR Lyrae stars detects 10 likely bound companions at 20-220 AU separations, yielding a binary fraction estimate above 12 percent.
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Searching for Hot Subdwarf Stars in LAMOST DR1-II. Pure spectroscopic identification method for hot subdwarfs
HELM machine learning applied to LAMOST DR1 spectra yields 56 hot subdwarfs (5 He-rich, 51 He-poor) whose parameters confirm two helium sequences.