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The Light Curve of a Cepheid Variable Star Allows Astronomers

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The light curve of a Cepheid variable star allows astronomers to infer its mean brightness of 1.9 x10-14 W/m2 and the period of pulsation about 4.8 days.Utilizing the calibrated relation between period and luminosity for Classical Cepheids, its luminosity is estimated to be 8.3 x1029 W.What is the distance to that Cepheid star and, implicitly, the distance to its host galaxy?

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Definitions:

Departments

Organizational units within a company, each specializing in a particular area of operation.

Departmental Predetermined Overhead Rates

Overhead rates set for specific departments based on estimated costs and activities, used to allocate overhead costs more accurately to products.

Machine-Hours

refers to the total time that production equipment is operated during a specific period, used as a basis for allocating manufacturing overhead.

Assembly Department

A segment within a manufacturing facility where parts are put together to form a finished product.

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