{"paper":{"title":"HIP 15429: A newborn Be star on an eccentric binary orbit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Allyson Bieryla, Andrew W. Howard, David W. Latham, Hans-Walter Rix, Howard Isaacson, Jaime I. Villase\\~nor, Johanna M\\\"uller-Horn, Julia Bodensteiner, Kareem El-Badry, Lars A. Buchhave, Rhys Seeburger, Tomer Shenar","submitted_at":"2025-04-09T15:28:36Z","abstract_excerpt":"We identified a new post-interaction binary, HIP 15429, consisting of a stripped star and a recently formed, rapidly rotating Be star companion ($v \\sin i \\approx 270$ km/s) sharing many similarities with recently identified bloated stripped stars. From orbital fitting of multi-epoch radial velocities we find a 221-day period. We also find an eccentricity of $e=0.52$, which is unexpectedly high as tides are expected to have circularised the orbit efficiently during the presumed recent mass transfer. The formation of a circumbinary disk during the mass transfer phase or the presence of an unsee"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.06973","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.06973/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"}