1 1907LicOB...4..166A Aitken 2 ................... Aitken & Doolittle 1932, New General Catalogue of Double Stars within 120{deg} of the North Pole (Washington: Carnegie Inst.) 3 ................... Aitken 1938, Lick Obs. Bull., 18, 491 4 ................... Kuiper 1954, Publ. Yerkes Obs., 8, 6 5 ................... van Biesbroeck 1954, Publ. Yerkes Obs., 8, 6 6 ................... van Biesbroeck 1960, Publ. Yerkes Obs., 9, 21 7 1987AJ.....93..688M McAlister et al. 8 2000AJ....119.3084H Hartkopf et al. Cat. 9 1989AJ.....97..510M McAlister et al. 10 1992AJ....104..810H Hartkopf et al. 11 1997HIP...C......0E Perryman et al. 1997, Cat. 12 1994AJ....108.2299H Hartkopf et al. Cat. 13 1997AJ....114.1639H Hartkopf et al. 14 2006AJ....131.2681T This paper 15 1902LicOB...2..180H Hussey 16 1923LicOB..11...58A Aitken 17 1961JO.....44...41C Couteau 18 1961JO.....44...41C Couteau 19 1961JO.....44...41C Couteau 20 1974ApJS...28..413V van Biesbroeck 21 1978ApJS...37..343H Heintz 22 1980ApJS...44..111H Heintz 23 1983ApJS...51..249H Heintz 24 1983A&AS...54...39M Morel 25 1985A&AS...60..241C Couteau 26 1985ApJS...58..439H Heintz 27 1987A&AS...70..193C Couteau 28 1989A&AS...79..385C Couteau 29 1983A&AS...53..441C Couteau 30 1983PAZh....9..627T Tokovinin 31 1984SvAL...10...95B Balega & Riadchenko 32 1985A&AS...61..483T Tokovinin 33 1987SvAL...13..208B Balega I., & Balega Y. 34 1988A&AS...72..563T Tokovinin, & Ismailov 35 1990AJ.....99..965M McAlister et al. 36 1994A&AS..106..377C Couteau, & Gili Cat. 37 1989A&AS...79..385C Couteau 1989b; 38 1992A&AS...95..423L Ling, & Couteau 39 1997A&AS..126....1G Gili, & Couteau Cat. 40 ................... Couteau 2002, Cat.