{"paper":{"title":"OGLE-2017-BLG-1522: A giant planet around a brown dwarf located in the Galactic bulge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Gould, A. Udalski, B.-G. Park, C. Han, C.-U. Lee, D.-J. Kim, D.-J. Lee, H.-W. Kim, I.-G. Shin, I. Soszy\\'nski, J. C. Yee, J. Skowron, K.-H. Hwang, K. Rybicki, K. Ulaczyk, M. D. Albrow, M. K. Szyma\\'nski, M. Pawlak, P. Mr\\'oz, P. Pietrukowicz, R. Poleski, R. W. Pogge, S.-J. Chung, S. Koz{\\l}owski, S.-L. Kim, S.-M. Cha, W. Zhu, Y.-H. Ryu, Y. K. Jung, Y. Lee","submitted_at":"2018-03-14T01:36:29Z","abstract_excerpt":"We report the discovery of a giant planet in the OGLE-2017-BLG-1522 microlensing event. The planetary perturbations were clearly identified by high-cadence survey experiments despite the relatively short event timescale of $t_{\\rm E} \\sim 7.5$ days. The Einstein radius is unusually small, $\\theta_{\\rm E} = 0.065\\,$mas, implying that the lens system either has very low mass or lies much closer to the microlensed source than the Sun, or both. A Bayesian analysis yields component masses $(M_{\\rm host}, M_{\\rm planet})=(46_{-25}^{+79}, 0.75_{-0.40}^{+1.26})~M_{\\rm J}$ and source-lens distance $D_{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05095","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"}