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by jrichardshaw
2185 days ago
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There's a few ways to do it (and the press release is surprisingly good and mentions most of them), but certainly one of the more obvious explanations is that the emitting object, is in a binary system with some other object, and that modulates the emission mechanism somehow. I don't think either needs to be a black hole though. What I consider the most plausible candidate for emission is probably magnetars (i.e. neutron stars with extremely strong magnetic fields), and there's no reason the companion would need to be a black hole either, you just need a companion that gives a 16 day orbit and that's very easy to do with another star or neutron star. |
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This galactic magnetar (https://en.wikipedia.org/wiki/SGR_1806%E2%88%9220) affected the Earth's atmosphere.
Just how luminous can an extra-galactic one be? Is the FRB an axial emission?