${\tau }^9$ Eri: A bright pulsating magnetic Bp star in a 5.95-day double-lined spectroscopic binary

K. Woodcock, G. A. Wade, O. Kochukhov +2

${\tau }^9$ Eri is a Bp star that was previously reported to be a single-lined spectroscopic binary. Using 17 ESPaDOnS spectropolarimetric (Stokes $V$) observations we identified the w…