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| physical object > natural object > celestial body > star > Delta Del star > dwarf Cepheid > SX Phoenicis | 
| SX Phoenicis comparison table | ||||
| Subject | is part of | is an instance of | is a kind of | has definition | 
|---|---|---|---|---|
| dwarf Cepheid | Cepheid | A group of pulsating variable stars with small variations in amplitude. They lie in the lower part of the Cepheid instability strip. | ||
| SX Phoenicis | Phoenix | dwarf Cepheid | A dwarf Cepheid (spectral type A) with the shortest known period (1h19m). | 
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