In stellar classification, a dwarf star is a name given to a type of star that has a specific measure of luminosity. When stars are referred to by their spectral color, the terms are combined, making variants of this classification such as red dwarfs and yellow dwarfs.

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Stellar classification
By class and type class O blue-violet starclass B blue starclass A blue-white starclass F white star (white dwarf) • class G yellow star (yellow dwarfyellow giant) • class K orange star (orange giant) • class M red star (red dwarfred giant) • green starbrown dwarfN-type starR-type starS-type starD-type star
By size or makeup black hole/black starcarbon starcollapsardwarf star (brown dwarfred dwarfwhite dwarfyellow dwarf) • giant star (blue giantred giantorange giantyellow giant) • Lazarus starneutron starprotostarpulsarsupergiant starvariable starwhite holeWolf-Rayet star
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