Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 19, Problem 41Q
To determine
The effect on the deeper dips and shallower dips in the light curve if there is no accretion disk formed around
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In a star of 1 solar mass (M☉), the core hydrogen burning phase, also known as the main sequence phase, lasts for approximately 10 billion years.
Suppose there's a star of 15 solar masses (M☉). Stars of higher mass burn through their hydrogen at a faster rate, following an approximate relation that the lifetime of a star on the main sequence (T) is proportional to its mass (M) raised to the power of -2.5 (T ∝ M^-2.5).
Calculate approximately how long this 15 solar mass star would remain in the main sequence phase, compared to the 1 solar mass star.
Chapter 19 Solutions
Universe: Stars And Galaxies
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