About J1514-4946
J1514-4946 is an epic pulsar. It spins once every 3.589 ms, has a dispersion measure of 31.01 pc cm⁻³ and carries a surface magnetic field around 261,788,494 G.
The collapsed core of a star that exploded: about one and a half Suns of matter crushed into a ball the size of a city, held up only by the refusal of neutrons to be squeezed further.