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Questions about electron degenerate stellar remnants.

38 votes
Accepted

If two white dwarfs collided, would they become a star?

The answer to your question is both yes and no, depending on the circumstances. Two white dwarfs colliding would likely yield a Type Ia supernova, assuming the combined mass exceeded the Chandrasekha …
HDE 226868's user avatar
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6 votes
Accepted

What's the big deal with WD 1856+534 b?

I'll address the three sub-questions individually, as a way of fully answering the title question. While there are indeed three planets orbiting PSR B1257+12, note that it's a pulsar, the compact rem …
HDE 226868's user avatar
  • 37.4k
2 votes
Accepted

Are there radio white dwarfs?

AR Scorpii1 appears to be an example. It is a binary system, consisting of a white dwarf and an M-type red dwarf. It was apparently originally classified as a $\delta$ Scuti variable star, but it was …
HDE 226868's user avatar
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5 votes
Accepted

If a white dwarf collides with a giant star, could it create a TZO?

Thorne and Żytkow's original paper on TŻOs actually opens with a comparison of TŻOs and the type of object you mention, with a white dwarf degenerate core instead of a neutron star degenerate core. T …
HDE 226868's user avatar
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