T Circini has a B - type spectrum , ranging in magnitude from 10.6 to 9.3 over a period of 3.298 days .
It is actually an eclipsing binary system rather than a pulsating star .
T Circini has a B - type spectrum , ranging in magnitude from 10.6 to 9.3 over a period of 3.298 days , although it is actually an eclipsing binary system rather than a pulsating star .