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A white dwarf star (R = 0.0073 R⦿, M= 1.4 M⦿) goes over the Chandrasekhar limit...

A white dwarf star (R = 0.0073 R⦿, M= 1.4 M⦿) goes over the Chandrasekhar limit and collapses to a neutron star (R=10 km). At that point the collapse stops. The collapse time is 0.1 seconds.

A) Calculate the total amount of energy liberated from the star in the collapse.

B) Estimate the luminosity (energy liberated/collapse time).

C) If the white dwarf was originally spinning with a 1.3 day period, what would the period of the neutron star rotation be?

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