Tags: Star.
G 240-72 (or WD 1748+708 or LHS 455 or GJ 1221) is a nearby degenerate star (white dwarf) of spectral class DQP9.0 located in constellation Draco. It is the seventh closest white dwarf (after Sirius B Procyon B van Maanen’s star Gliese 440 40 Eridani B and Stein 2051 B).