Question

Two stars are in a binary pair – one is a G2V and the other is...

Two stars are in a binary pair – one is a G2V and the other is a K0V. Assume they formed at the same time. These two stars are close enough that they could exchange material between them. Which of the following events could happen in the future as these stars evolve?

a. A type 1 supernova could happen

b. A type 2 supernova could happen

c. A dwarf nova could happen

d. A radio pulsar could form

e. A K0I star could form

either multiple choice or check all that could apply

Science   Advanced-Physics   
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Answer #1

One of the stars is a G type star, which has a typical mass almost equal to that of the sun.

The other star is a K type star, which has a typical mass of 0.8 solar mass.

Even if both of them combine, there is not enough mass for supernova formation, which is 8 solar masses.

A radio pulsar also is an evolved version of a supernova. So, it can not happen as well.

A dwarf nova is very likely to happen.

Since mass exchange is possible, K0V stra could evolve into a K01 star.

Options C and E are correct.

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