SX Phoenicis starA pulsating subdwarf star, smaller than the Sun, with a spectral type A2 to F5, typically found are found in globular clusters. The period of pulsation is in the range 0.04 to 0.8 day with an amplitude of about 0.7 magnitude. SX Phe stars are close cousins of Delta Scuti stars. Related entry• variable starsRelated category• TYPES OF STARAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |