A white dwarf,the surviving core of a low-mass star toward the end of its life,can be found on the Hertzsprung-Russell diagram:

Question

Quizplus · Accepted Answer

A white dwarf is no longer undergoing nuclear fusion and therefore does not follow the main sequence. Instead, it is found below and to the left of the main sequence, in the region of the Hertzsprung-Russell diagram known as the "white dwarf cooling sequence." This is because the immense heat generated during its earlier stages of evolution as a star has now dissipated, and it is simply emitting leftover thermal energy.

A White Dwarf,the Surviving Core of a Low-Mass Star Toward