About J1848-1414
J1848-1414 is an uncommon pulsar. It spins once every 297.77 ms, has a dispersion measure of 134.47 pc cm⁻³ and carries a surface magnetic field around 6.55×10^10 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.