Spectral type distribution of the known ultra-cool (≥M7) and brown dwarfs. Black line: input catalog. Gray line: objects with a counterpart in Gaia DR2. Filled gray: objects with a counterpart in Gaia DR2 and σ ϖ ≤ 10%. 10 stands for L0, 20 for T0, and 30 for Y0 on the spectral type axis.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.