{"paper":{"title":"Planets around the evolved stars 24 Booties and $\\gamma$ Libra: A 30d-period planet and a double giant-planet system in possible 7:3 MMR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Bun'ei Sato, Eiichiro Kokubo, Eiji Kambe, Hideyuki Izumiura, Hiroki Harakawa, Hiroyasu Ando, Makiko Nagasawa, Masashi Omiya, Michitoshi Yoshida, Shigeru Ida, Takuya Takarada, Yoichi Itoh, Yoichi Takeda","submitted_at":"2018-04-11T14:18:06Z","abstract_excerpt":"We report the detection of planets around two evolved giant stars from radial velocity measurements at Okayama Astrophysical observatory. 24 Boo (G3IV) has a mass of $0.99\\,M_{\\odot}$, a radius of $10.64\\,R_{\\odot}$, and a metallicity of ${\\rm [Fe/H]}=-0.77$. The star hosts one planet with a minimum mass of $0.91\\,M_{\\rm Jup}$ and an orbital period of $30.35{\\rm d}$. The planet has one of the shortest orbital periods among those ever found around evolved stars by radial-veloocity methods. The stellar radial velocities show additional periodicity with $150{\\rm d}$, which are probably attributed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04008","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}