What exactly would happen if a black hole was introduced into the sun?

A ship powered by a black hole of a few hundred thousand tons (say, under $6 \times10^8$ kg, which would have a lifetime of several years and a power output of a few hundred petawatts) crashes (malfunctions or is piloted deliberately, it doesn't matter) into the sun. The heat destroys the hull and exposes the black hole to the interior of the sun. What precisely would happen and on what kind of timescales?

Obviously, the sun would fall into the black hole, heating up and giving out huge amounts of radiation in the process. But how much radiation? How long would it be before effects were noticeable from orbit (eg from the Earth), and what would the effects be? How long would it take for the sun to be completely consumed? How would the radiation given off vary (roughly) over this time period? What would happen to the solar system throughout this process?

I'm looking for a timeline with (rough) details of the process and how it would develop. This question is similar but the only answer with any details only calculates time to failure of the sun, and the answerer mentions that he seems to have made a mistake in his calculation, so it isn't a duplicate because it doesn't give the information I'm looking for.

posted about 7 years ago

Tharaib‭

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