Subject |
is part of |
is an instance of |
is a kind of |
has definition |
AI Velorum star | | | dwarf Cepheid | A class of dwarf Cepheids. They are all RR Lyrae stars with periods shorter than 0.25 days. |
beat Cepheid | | | dwarf Cepheid | Dwarf Cepheid in which two or more almost identical periods exist which cause periodic amplitude fluctuations in their light curves. The "beat" period averages about 2 to 21/2 hours. |
SX Phoenicis | Phoenix | dwarf Cepheid | | A dwarf Cepheid (spectral type A) with the shortest known period (1h19m). |