About J1910+1017
J1910+1017 is an uncommon pulsar. It spins once every 411.159 ms, has a dispersion measure of 633.83 pc cm⁻³ and carries a surface magnetic field around 1.51×10^12 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.