Blue dwarf

The term blue dwarf refers to various types of stars having a peak emission in blue or ultraviolet. Those can be:

Astronomical objects

 * A blue compact dwarf galaxy
 * An early-type main-sequence star
 * B-type main-sequence star
 * O-type main sequence star
 * OB star
 * Blue dwarf (red-dwarf stage), a hypothetical stage in red dwarf interstellar evolution
 * O-type subdwarf
 * B-type subdwarf