A spectroscopic and proper motion search of Sloan Digital Sky Survey: red subdwarfs in binary systems
Red subdwarfs in binary systems are crucial for both model calibration and spectral classification. We search for red subdwarfs in binary systems from a sample of high proper motion objects with Sloan Digital Sky Survey spectroscopy. We present here discoveries from this search, as well as highlight several additional objects of interest. We find
Zhang, Z. H. et al.
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2013