{"paper":{"title":"Searching for GEMS: TOI-5916 b & TOI-6158 b are two Saturn-density planets orbiting M2 dwarfs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Amber Wong, Andrea S.J. Lin, Andrew Monson, Arpita Roy, Arvind F. Gupta, Caleb I. Ca\\~nas, Chad F. Bender, Christian Schwab, Daniel M. Krolikowski, Gudmundur Stefansson, Henry A. Kobulnicky, Jessica E. Libby-Roberts, Joe P. Ninan, Michael Rodruck, Nidia Morrell, Paul Robertson, Samuel Halverson, Scott A. Diddams, Shane O'Brien, Shubham Kanodia, Te Han, Tera Swaby, William D. Cochran","submitted_at":"2025-10-13T18:01:02Z","abstract_excerpt":"We confirm the planetary nature of (1) TOI-5916 b and (2) TOI-6158 b, two Exoplanets Transiting M-dwarf Stars (GEMS), both discovered by the Transiting Exoplanet Survey Satellite (TESS). Both systems were confirmed with ground-based photometry (Red Buttes Observatory and Swope, respectively) and radial velocity data from the Habitable-zone Planet Finder. Their radii are $R_{1}=11.8^{+0.52}_{-0.51}\\text{ }R_{\\oplus}$ and $R_{2}=10.4^{+2.70}_{-1.11}\\text{ }R_{\\oplus}$ and masses are $M_{1}=219\\pm28\\text{ }M_{\\oplus}$ and $M_{2}=135^{+19}_{-18}\\text{ }M_{\\oplus}$. Both planets have Saturn-like de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2510.11798","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2510.11798/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}