About J1912-0952
J1912-0952 is a rare pulsar. It spins once every 25.068 ms, has a dispersion measure of 126.35 pc cm⁻³ and carries a surface magnetic field around 856,715,175 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.