{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"eb478945f0b81d02844e77e4333ee950b432d774f27098cadc5ad306e8667824","created":"2026-10-03T07:17:55Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011","7ea3b34d2f55046f0cdb44d0da90d2a4ca2e44cb7e9100ade6bdf56194f459d3"],"salt":"249fe247b2eb07615fdcca1f8fe081d3ed87ea53b790b457e5bb9ac677551d73","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"astro.hot-jupiters.obliquity-temperature","kind":"phenomenon","literature_status":"open","n":"1","parents":[{"note":"","parent_revision":"7ea3b34d2f55046f0cdb44d0da90d2a4ca2e44cb7e9100ade6bdf56194f459d3","relation":"special_case"}],"plain":"Around cool stars, hot Jupiters usually orbit in the plane of the star's equator; around hotter stars their orbits are often tilted or even backward. Either tides straighten orbits only around cool stars, or the planets arrived differently.","posed_since":"2010","precise":"Stellar obliquities measured by the Rossiter-McLaughlin effect are mostly small for host stars with $T_{\\mathrm{eff}} < 6250\\,\\mathrm{K}$ and broadly distributed above. Determine whether this reflects tidal realignment acting through the convective envelope of cool stars or a primordial difference in formation, and determine the tidal dissipation rate needed for realignment without orbital decay.","problem_ref":null,"references":"","settled_by":"Obliquity distributions versus stellar age, mass and planet mass for a large sample, compared with tidal models that predict realignment and decay together.","status_note":"","title":"Why are hot Jupiters around hotter stars often misaligned?","topic_ref":"1e0254cb819018d5ed8997a7e251ef6a68c90da1082e1990c43ed16b01153ec7"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"520bc9304ffabba92bffa70e0c0b845ed2f7f4d92a6012247ff14dd55f95252e","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"cc156bb092c36cbeaba3b33f9d0dd6dc2fba5da177476c8818bc73b76e9fe4cd","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"4pyxRuxWK_Qhi1D0IwkFiCn0c7-x9QA9WjW7jY6BQgts_jM-bdFl0bcEoPZZ0Z8rRQjXtqnBkftEKK69gMeTDw"},"schema":"pubphys.envelope/1"},"record_hash":"520bc9304ffabba92bffa70e0c0b845ed2f7f4d92a6012247ff14dd55f95252e","leaf_index":557}