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Reported in The Astronomical Journal (DOI: 10.3847/0004-6256/151/2/45), KELT-4Ab orbits one of the stars in a triple stellar system. Considered a "hot Jupiter" because of its large size and small orbit, it is only the fourth planet that has been found in association with a triple star system. KELT-4A is the brightest star in the system. KELT-4B and KELT-4C, separated from each other by about 10 astronomical units (AU), form a binary, about 328 AU distant from KELT-4A. The system is about 685 light-years from us.
The planet was detected in a survey by the Kilodegree Extremely Little Telescope. Scientific American has a story about the discovery.
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Three-Starred System Has Giant Planet
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You have Egyptian flu: you're going to be a mummy.
(Score: 2) by AnonymousCowardNoMore on Friday April 08 2016, @03:47AM
You are entirely correct. What I mean to say is that the book implies the problem to be unsolvable in principle, especially given that the magic technobabble that the Trisolarans possess in the book should make such a calculation trivial. (It's in one of the ROT13 spoilers.) The special cases don't come into play since they don't apply to this situation but are, of course, beautiful.