“…(SB1) indicates an SB1 candidate identified in previous literature; see vsini references column. f vsini references: (1) this paper; (2) Hartmann, 1996, private communication; (3) Duncan, 1993;(4) Wolff, Edwards, & Preston, 1982;(5) Walker, 1990;(6) Walker, 1983; (7) Smith, Beckers, & Barden, 1983;(8) McNamara, 1963 (old slettebak system); (9) Abt, Muncaster, & Thompson, 1970;(10) McNamara & Larsson, 1962 (old slettebak system); (11) Hartmann et al, 1986;(12) Abt, & Hunter, 1962;(13) Conti & Ebbets, 1977;(14) Rhode, Herbst, & Mathieu, 2000. a vsini references: this paper unless otherwise indicated as (1) (2) Duncan, 1993; ( (Palla & Stahler 1993). The solid lines are the isochrones of SFRI from 10 5 -10 8 yr (uncorrected for the birthline).…”