Stein 2051 (Gliese 169.1, G 175-034, LHS 26/27) is a nearby binary star system, containing a red dwarf (component A) and a degenerate star (white dwarf) (component B), located in constellation Camelopardalis at about 18 ly from Earth.
Stein 2051 is the nearest (red dwarf + white dwarf) separate binary system (40 Eridani BC is located closer (at 16.26 light-years), but it is a part of a triple star system).
Stein 2051 B is the 6th nearest white dwarf after Sirius B, Procyon B, van Maanen's star, LP 145-141 and 40 Eridani B.
Properties
The brighter of this two stars is A (a red dwarf), but the more massive is component B (a white dwarf).
References
Stein 2051 Wikipedia(Text) CC BY-SA