About J0034-0534
J0034-0534 is an epic pulsar. It spins once every 1.877 ms, has a dispersion measure of 13.77 pc cm⁻³ and carries a surface magnetic field around 97,702,688 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.