About J1614-5048
J1614-5048 is an uncommon pulsar. It spins once every 231.694 ms, has a dispersion measure of 582.4 pc cm⁻³ and carries a surface magnetic field around 1.08×10^13 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.