BL Boötis
... that BL Boötis (or BL Boo) in Boötes is not a binary but a BL Boötis variable?
... that <b id="mwBpI"><a href="./BL_Boötis" id="mwBpM" rel="mw:WikiLink" title="BL Boötis">BL Boötis</a></b> (or BL Boo) in Boötes is not a binary but a BL Boötis variable?