About J0659+1414
J0659+1414 is an uncommon pulsar. It spins once every 384.929 ms, has a dispersion measure of 13.94 pc cm⁻³ and carries a surface magnetic field around 4.65×10^12 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.