About J1636-2614
J1636-2614 is an uncommon pulsar. It spins once every 510.454 ms, has a dispersion measure of 92.72 pc cm⁻³ and carries a surface magnetic field around 1.46×10^12 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.