Can a main-sequence star with planets exist orbiting a magnetar?

Lets say you have an average-ish magnetar "” about 3 solar masses, with a magnetic field of 10⁸ teslas (it's decayed a bit since it was born). Now lets say we have a solar system with a small-ish main sequence star (about ¾ths of the Sun's mass) that has a mature set of planets orbiting it (say 8"“10, roughly similar mix to our own solar system).

Could the solar system's main sequence star stably orbit our proposed magnetar as a binary, without having "Two Stars Bickering Over Planets" problems involving Hill spheres "” in other words, all the planets orbit the main-sequence star, which in turn orbits the magnetar? Also, would the magnetar's magnetic field have a significant influence on the orbital mechanics of the system (i.e. if you were in the system sending an interplanetary probe, would you have to take the big fat magnet in the middle into account when doing your trajectory calculations, or could you treat it as if it were any other object of that mass)?

Also, we can assume that the solar system was captured by the magnetar after it became a magnetar (so no need to worry about supernova-inflicted damage to the solar system).

posted about 8 years ago

Shalvenay‭

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