Spectroscopy of 88 z<0.7 SDSS QSOs
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https://b2find.eudat.eu/dataset/9fbc1b3d-b9f9-526c-ac6a-b18d66f23740
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We have carried out a systematic search for subparsec supermassive black hole (BH) binaries among z<~0.7 Sloan Digital Sky Survey quasars. These are predicted by models of...
