This system shows all three:
a polluted white dwarf, a surrounding debris disk, and at least one compact, rocky object.
A fraction of
polluted white dwarfs showed signs of surrounding debris disks, but the origin of the disks was uncertain.
The elements are thought to be leftover bits of crushed asteroids,
polluting the white dwarf atmospheres.
Not exact matches
«Massive comet - like object
pollutes atmosphere of a
white dwarf.»
Theorists speculated that
white dwarfs showing evidence of heavy metals became «
polluted» when they consumed rocky planets or asteroids.