{"paper":{"title":"Marginally low mass ratio close binary system V1191 Cyg","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. Kalomeni, B. Ulas, K. Yakut, O. Kose, V. Keskin","submitted_at":"2011-07-01T17:20:21Z","abstract_excerpt":"In this study, we present photometric and spectroscopic variations of the extremely small mass ratio ($q\\simeq 0.1$) late-type contact binary system \\astrobj{V1191 Cyg}. The parameters for the hot and cooler companions have been determined as $M_\\textrm{h}$ = 0.13 (1) $M_{\\odot}$, $M_\\textrm{c}$ = 1.29 (8) $M_{\\odot}$, $R_\\textrm{h}$ = 0.52 (15) $R_{\\odot}$, $R_\\textrm{c}$ = 1.31 (18) $R_{\\odot}$, $L_\\textrm{h}$ = 0.46 (25) $L_{\\odot}$, $L_\\textrm{c}$ = 2.71 (80) $L_{\\odot}$, the separation of the components is $a$= 2.20(8) $R_{\\odot}$ and the distance of the system is estimated as 278(31) pc."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0277","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"}