A Substellar Companion to the Dusty Pleiades Star HD 23514
Abstract
With adaptive optics imaging at Keck observatory, we have discovered a substellar companion to the F6 Pleiades star HD 23514, one of the dustiest main-sequence stars known to date (LIR/L*~2%). This is one of the first brown dwarfs discovered as a companion to a star in the Pleiades. The 0.06 M late-M secondary has a projected separation of ~360 AU. The scarcity of substellar companions to stellar primaries in the Pleiades combined with the extremely dusty environment make this a unique system to study.
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