About J1627+1419
J1627+1419 is an uncommon pulsar. It spins once every 490.857 ms, has a dispersion measure of 32.17 pc cm⁻³ and carries a surface magnetic field around 4.44×10^11 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.