Confirming HD 23478 as a new magnetic B star hosting an H$\alpha$-bright centrifugal magnetosphere

James Sikora, Gregg Wade, David Bohlender +11

In this paper we report 23 magnetic field measurements of the B3IV star HD 23478: 12 obtained from high resolution Stokes $V$ spectra using the ESPaDOnS (CFHT) and Narval (TBL) spe…