ZZ Ceti stars

Alternative definitions (3), class: vernacular (0)
Term: ZZ Ceti stars

A member of a class of non-radially pulsating stars that change their brightnesses with periods from 30 seconds to 25 minutes and amplitudes from 0.001 to 0.2 mag in V. Their location on the Hertzsprung-Russell diagram identifies them as white dwarf stars that have entered the instability strip as they evolve along the white dwarf track.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan