The VAST Survey - IV. A wide brown dwarf companion to the A3V star $\zeta$ Delphini

R. J. De Rosa, J. Patience, K. Ward-Duong +10

We report the discovery of a wide co-moving substellar companion to the nearby ($D=67.5\pm 1.1$ pc) A3V star $\zeta$ Delphini based on imaging and follow-up spectroscopic observations o…