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We describe in this work the BASS survey for brown dwarfs in young movinggroups of the solar neighborhood, and summarize the results that it generated.These include the discovery of the 2MASS J01033563-5515561 (AB)b and 2MASSJ02192210-3925225 B young companions near the deuterium-burning limit as wellas 44 new low-mass stars and 69 new brown dwarfs with a spectroscopicallyconfirmed low gravity. Among those, ~20 have estimated masses within theplanetary regime, one is a new L4 $\gamma$ bona fide member of AB Doradus,three are TW Hydrae candidates with later spectral types (L1-L4) than all ofits previously known members and six are among the first contenders tolow-gravity $\geq$ L5 $\beta$/$\gamma$ brown dwarfs, reminiscent of WISEPJ004701.06+680352.1, PSO J318.5338-22.8603 and VHS J125601.92-125723.9 b.Finally, we describe a future version of this survey, BASS-Ultracool, that willspecifically target $\geq$ L5 candidate members of young moving groups. Firstexperimentations in designing the survey have already led to the discovery of anew T dwarf member of AB Doradus, as well as the serendipitous discoveries ofan L9 subdwarf and an L5 + T5 brown dwarf binary.

The BANYAN All-Sky Survey for Brown Dwarf Members of Young Moving Groups