About J0014+4746
J0014+4746 is an uncommon pulsar. It spins once every 1,240.699 ms, has a dispersion measure of 30.41 pc cm⁻³ and carries a surface magnetic field around 8.47×10^11 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.