{"schema":"pubphys.bundle/1","record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"c27f0872de2cde88fadcdb11393b34c7dfa4c27c17516190388ac0d7e01f9071","created":"2026-10-03T07:17:56Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"51d0086b2a793a93f6be73223aa5b8abc33b9e82659b2c5a2ba3fefcec8daf75","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"astro.tidal-disruption-events.post-starburst-hosts","kind":"phenomenon","literature_status":"open","n":"1","parents":[],"plain":"Tidal disruptions happen unusually often in galaxies that stopped forming stars after a recent burst. These galaxies are rare, so something about them must send stars toward the central black hole.","posed_since":"2014","precise":"Post-starburst (E+A) galaxies form well under 1 percent of galaxies but host a much larger share of optical TDEs, an enhancement of tens of times. Determine the cause: dense central stellar concentrations, radially anisotropic orbits after a merger, supermassive black hole binaries, or selection effects.","problem_ref":null,"references":"","settled_by":"Measured central stellar densities and orbit structure in TDE hosts compared with predicted disruption rates for each mechanism.","status_note":"","title":"Why are tidal disruptions overrepresented in post-starburst 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