Not exact matches
PSR J1713 +0747, as it is known, has a
tiny white dwarf companion
star, and the two orbit each other exceptionally predictably.
Was it a massive
star, like the Crab's progenitor, or a
tiny white dwarf, like the
stars of 1006, 1572 and 1604?
Such a
star may become a
white dwarf or a neutron
star, but if the
star is sufficiently massive then it may continue shrinking eventually to the size of a
tiny atom: this is the so - called «gravitational singularity».
While now
tiny compared to main sequence
stars,
white dwarf stars are actually intensely hot, but without the internal heat of fusion to keep them burning, they gradually cool and fade away.
While
tiny compared to main sequence
stars,
white dwarf stars are actually intensely hot, but without the internal heat of fusion to keep them burning, they gradually cool and fade away.