4 ms·
It is rapidly oscillating photometricly: https://en.m.wikipedia.org/wiki/Rapidly_oscillating_Ap_star https://en.m.wikipedia.org/wiki/Rapidly_oscillating_Ap_star
by eddieh 10y ago
It is rapidly oscillating photometricly: https://en.m.wikipedia.org/wiki/Rapidly_oscillating_Ap_star https://en.m.wikipedia.org/wiki/Rapidly_oscillating_Ap_star
And also chemically peculiar.