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A Cepheid variable star is a star whose brightness alternately increases and decreases. Suppose that Cephei Joe is a sta
Posted: Thu Jul 14, 2022 4:30 pm
by answerhappygod
- A Cepheid Variable Star Is A Star Whose Brightness Alternately Increases And Decreases Suppose That Cephei Joe Is A Sta 1 (19.21 KiB) Viewed 72 times
A Cepheid variable star is a star whose brightness alternately increases and decreases. Suppose that Cephei Joe is a star for which the interval between times of maximum brightness is 4 days. Its average brightness is 4 and the brightness changes by +/−0.3. Using this data, we can construct a mathematical model for the brightness of Cephei Joe at time t, where t is measured in days: B(t)=4+0.3sin(2πt/4)