About J1907+0602
J1907+0602 is an uncommon pulsar. It spins once every 106.633 ms, has a dispersion measure of 82.1 pc cm⁻³ and carries a surface magnetic field around 3.08×10^12 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.