White Dwarf Stars
White dwarf stars are the exposed cores of old stars that have shed their
outer layers. They are composed of dense degnerate plasma. White dwarfs are
the likely progenitor of type Ia supernova.
DC Featureless continuum
DB Only helium features
DA Only hydrogen features
DO Hydrogen and helium features
DZ Only metals, no H or He
DQ Carbon features
DC
DB
DA
DO
DO
DZ
DQ
DQ