SX Arietis variables are a class of variable stars. They are high-temperature analogues of Alpha2 Canum Venaticorum variables and exhibit strong magnetic fields and intense He I and Si III spectral lines. They have brightness fluctuations of approximately 0.1 magnitudes with periods of about one day.

References

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Samus N.N., Durlevich O.V., et al. Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.)

SX Arietis variables