A Bayesian search calibrated on 3,493 meteorite analyses finds strong evidence for a siderophile-enriched processed template in only a small fraction of 697 polluted white dwarf records, with posterior medians of 0.011 and 0.041.
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Tidal breakup of cohesive rubble piles around white dwarfs imposes a 0.1-1 km maximum fragment size that sets the initial debris distribution and requires collisional grinding before Poynting-Robertson drag acts.
citing papers explorer
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A Calibrated Bayesian Search for Potential Chemical Technosignatures in Polluted White Dwarf
A Bayesian search calibrated on 3,493 meteorite analyses finds strong evidence for a siderophile-enriched processed template in only a small fraction of 697 polluted white dwarf records, with posterior medians of 0.011 and 0.041.
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Size limits on tidal debris around white dwarfs: the km-size barrier
Tidal breakup of cohesive rubble piles around white dwarfs imposes a 0.1-1 km maximum fragment size that sets the initial debris distribution and requires collisional grinding before Poynting-Robertson drag acts.