nonradial pulsation

nonradial pulsation

[¦nän‚rād·ē·əl pəl′sā·shən]
(astronomy)
A stellar oscillation whose phase and amplitude vary with stellar latitude and longitude.
References in periodicals archive ?
Kaye (Los Alamos National Laboratory), the stars undergo nonradial pulsations, meaning portions of their outer layers expand outward while other portions shrink.
Studies of the nonradial pulsations may someday reveal conditions in the very cores of the Gamma Doradus stars.