Assertion: gamma cassiopeiae variable | /r/CapableOf | fluctuate 4 fold change
Facets:
value: irregularly
type: DEGREE
value: by up to 1.5 magnitudes
type: OTHER
value: in luminosity
type: OTHER
Source sentences:
text: Gamma Cassiopeiae (γ Cas) variables are non-supergiant fast-rotating B class emission line-type stars that fluctuate irregularly by up to 1.5 magnitudes (4 fold change in luminosity) due to the ejection of matter at their equatorial regions caused by the rapid rotational velocity.