It has a white dwarf companion and, so far as is known, no planetary system.

If the third body is confirmed, it would likely turn out a brown dwarf companion.

HD 13189 is an orange giant with a planetary or brown dwarf companion.

A second brown dwarf companion was discovered in 2010, orbiting further from the star with a period of 3,169 days (8.68 years).

A computer simulation has shown that the dwarf companion of BX442 could have had the same effect.

The star is known to host a brown dwarf companion.

In 2004, a possible red dwarf companion was detected.

A yellow-white main sequence star, it has a white dwarf companion.

This may be associated with the orbital motion of the white dwarf companion.

A slow nova, it is thought to have a relatively small white dwarf companion.