{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"86356f87f7bd15eac8169845254ed8d80c347492ac521635a6eeee6b80a32eb1","created":"2026-10-03T07:17:55Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"b14d38039b313a476efde618e63e92f2a4014a51c5c727fab11479f4b6b6a956","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"classification","assisted_by":[],"external_id":"astro.hot-jupiters.dominant-channel","kind":"well-posed","literature_status":"open","n":"1","parents":[],"plain":"Three routes could make hot Jupiters, and each leaves different marks on orbits and neighbors. The share of each route is not known.","posed_since":"","precise":"For giant planets with orbital period $P < 10\\,\\mathrm{d}$ around FGK stars (occurrence about 0.5-1 percent), determine the fractions formed by disk migration, high-eccentricity tidal migration (Kozai-Lidov cycles, planet-planet scattering, secular chaos) and in situ formation, using stellar obliquities, eccentricities, nearby companions, outer companions and system ages. The answer is the fraction per channel with uncertainties.","problem_ref":null,"references":"","settled_by":"Population synthesis fitted to homogeneous samples of obliquities, companion statistics and ages from TESS, Gaia and radial-velocity surveys.","status_note":"","title":"Which formation channel produces most hot Jupiters?","topic_ref":"1e0254cb819018d5ed8997a7e251ef6a68c90da1082e1990c43ed16b01153ec7"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"7ea3b34d2f55046f0cdb44d0da90d2a4ca2e44cb7e9100ade6bdf56194f459d3","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"68a7a9dcd120ea2ed0fe76d2c05715a5b9cc776ea4283ba66fec8f9ab7fecde3","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"3XU89Tp12G3SAHcc9c00HGMyZxUBpUFJ09CvK7pmAXvWpr2cg11b5LIlAMRB3ykexWlqiWpysKWBPbRhGpgjAw"},"schema":"pubphys.envelope/1"},"record_hash":"7ea3b34d2f55046f0cdb44d0da90d2a4ca2e44cb7e9100ade6bdf56194f459d3","leaf_index":556}