{
  "source": "https://gwosc.org/eventapi/jsonfull/GWTC/",
  "retrieved": "2026-11-04",
  "selection": "Latest event version; FAR <= 1/year, or confident-catalog classification when FAR is unavailable; available source-frame component median masses >= 3 solar masses. Mass cut is a BH proxy, not a definitive classification. Missing masses omitted.",
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