{"paper":{"title":"Rotation of the asymptotic giant branch star R Doradus","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Baudry, E. De Beck, E.M.L. Humphreys, E. Villaver, G. Garcia-Segura, H. Olofsson, M. Maercker, S. Ramstedt, T. Khouri, W.H.T. Vlemmings","submitted_at":"2018-04-12T20:01:26Z","abstract_excerpt":"High resolution observations of the extended atmospheres of asymptotic giant branch (AGB) stars can now directly confront the theories that describe stellar mass loss. Using Atacama Large Millimeter/submillimeter Array (ALMA) high angular resolution ($30\\times42$~mas) observations we have, for the first time, resolved stellar rotation of an AGB star, R~Dor. We measure an angular rotation velocity of $\\omega_R\\sin{i}=(3.5\\pm0.3)\\times10^{-9}$~rad~s$^{-1}$ which indicates a rotational velocity of $|\\upsilon_{\\rm rot}\\sin{i}|=1.0\\pm0.1$~km~s$^{-1}$ at the stellar surface ($R_*=31.2$~mas at $214$~"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04709","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"}