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Recently, I had a homework question that gave me the mass of a main-sequence star, that is, M_tp = 0.9 M_solar, and the population formed at the same time. I am supposed to use the stellar birth function to help determine the answer. However, I still have no idea how to approach this. Can someone explain how someone would approach this question?

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  • $\begingroup$ What is M_tp? Just some stellar mass from one part of the homework? $\endgroup$ Dec 4, 2022 at 23:45
  • $\begingroup$ So, there is a specific mass where the main-sequence star gets off the main-sequence to turn into a giant. By the terms of this question, this is assuming that the main-sequence star gets off of the main-sequence with a solar mass M = 0.9 $\endgroup$
    – Casper
    Dec 4, 2022 at 23:59
  • $\begingroup$ Is the question to estimate the number of black holes, etc in the galaxy or within that cluster? If the latter: what's the mass and age? $\endgroup$ Dec 5, 2022 at 7:20

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