{"paper":{"title":"K2-287b: an Eccentric Warm Saturn transiting a G-dwarf","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Abner Zapata, Andr\\'es Jord\\'an, Avi Shporer, Blake Pantoja, Cristi\\'an Cort\\'es, Daniel Bayliss, David Osip, Felipe Rojas, G\\'asp\\'ar \\'A. Bakos, Holger Drass, James S. Jenkins, Maja Vu\\v{c}kovi\\'c, Maritza G. Soto, Markus Rabus, Mat\\'ias D\\'iaz, Mat\\'ias I. Jones, N\\'estor Espinoza, Paula Sarkis, Rafael Brahm, R\\'egis Lachaume, Sergio V\\'asquez, Thomas Henning, V\\'ictor Moraga, Vincent Suc, Waqas Bhatti, Zoltan Csubry","submitted_at":"2018-09-24T12:43:52Z","abstract_excerpt":"We report the discovery of K2-287b, a Saturn mass planet orbiting a G-dwarf with a period of $P \\approx 15$ days. First uncovered as a candidate using K2 campaign 15 data, follow-up photometry and spectroscopy were used to determine a mass of $M_P = 0.317 \\pm 0.026$ $M_J$, radius $R_P = 0.833 \\pm 0.013$ $R_J$, period $P = 14.893291 \\pm 0.000025$ days and eccentricity $e = 0.476 \\pm 0.026$. The host star is a metal-rich $V=11.410 \\pm 0.129$ mag G dwarf for which we estimate a mass $M_* = 1.056$ $M_\\odot$, radius $R_* = 1.07 \\pm 0.01$ $R_\\odot$, metallicity [Fe/H] = $0.20 \\pm 0.05$ and $T_{eff} "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.08879","kind":"arxiv","version":2},"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"}