About J1916+0937g
J1916+0937g is an uncommon pulsar. It spins once every 7,368 ms and has a dispersion measure of 186 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.