I need to figure out the solar masses! Thank you! What is the mass of a star with a main-sequence lifetime of 4 billion years?17X solar masses

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What is the mass of a star with a main-sequence lifetime of 4 billion years? 17 X solar masses

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Question

I need to figure out the solar masses! Thank you!

What is the mass of a star with a main-sequence lifetime of 4 billion years?
17
X solar masses

Expert Solution

Step 1

According to stellar theories & observations the average lifetime of main-sequence stars has usual lifetime of upto few billion years.

the characteristic time scale for main sequence (MS) stars: $ζ ~ \frac{E}{L} ~ M^{- 2.5}$

the main sequence stars usually have lifetime of few Billion years.

we can compute the main sequence time scale by comparing it will solar time scales.

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