About J2326+6141
J2326+6141 is an uncommon pulsar. It spins once every 790 ms and has a dispersion measure of 34.5 pc cm⁻³.
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.