About J1814-0521
J1814-0521 is an uncommon pulsar. It spins once every 1,014.219 ms, has a dispersion measure of 130.6 pc cm⁻³ and carries a surface magnetic field around 9.58×10^11 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.