• Kapteyn's Star• Groombridge 1830• Mu Cassiopeiae• 2MASS J05325346+8246465, a possible halo brown dwarf and the first substellar subdwarf.
==Notable subdwarfs==*Kapteyn's Star*Groombridge 1830*Mu Cassiopeiae*2MASS J05325346+8246465, a possible halo brown dwarf and the first substellar subdwarf.