{"paper":{"title":"Discovery of a variable lead-rich hot subdwarf: UVO 0825+15","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Kvammen, A. S. Baran, C. S. Jeffery, H. P. Preece, J. H. Telting, M. D. Reed, Naslim N., N. T. Behara, P. Martin, R. H. {\\O}stensen, V. M. Woolf","submitted_at":"2016-11-05T08:32:28Z","abstract_excerpt":"UVO0825+15 is a hot bright helium-rich subdwarf which lies in {\\it K2} Field 5 and in a sample of intermediate helium-rich subdwarfs observed with {\\it Subaru/HDS}. The {\\it K2} light curve shows low-amplitude variations, whilst the {\\it Subaru} spectrum shows Pb{\\sc iv} absorption lines, indicative of a very high lead overabundance. UVO0825+15 also has a high proper motion with kinematics typical for a thick disk star. Analyses of ultraviolet and intermediate dispersion optical spectra rule out a short-period binary companion, and provide fundamental atmospheric parameters of $T_{\\rm off}=38\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01616","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"}