About J1514-5316
J1514-5316 is an uncommon pulsar. It spins once every 296.279 ms, has a dispersion measure of 27.1 pc cm⁻³ and carries a surface magnetic field around 2.20×10^10 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.