{"paper":{"title":"Exploring the Very Extended Low Surface Brightness Stellar Populations of the Large Magellanic Cloud with SMASH","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Abhijit Saha, A. Katherina Vivas, Alistair R. Walker, Antonela Monachesi, Blair C. Conn, Carme Gallart, Catherine Kaleida, David L. Nidever, David Martinez-Delgado, Dennis Zaritsky, Eric F. Bell, Gurtina Besla, Guy S. Stringfellow, Knut Olsen, Maria-Rosa L. Cioni, Matteo Monelli, Nicolas F. Martin, Noelia E. D. Noel, Pol Massana, Ricardo R. Munoz, Robert D. Blum, Roeland P. van der Marel, Steven R. Majewski, Thomas J. L. de Boer, You-Hua Chu, Yumi Choi","submitted_at":"2018-05-07T18:00:29Z","abstract_excerpt":"We present the detection of very extended stellar populations around the Large Magellanic Cloud (LMC) out to R~21 degrees, or ~18.5 kpc at the LMC distance of 50 kpc, as detected in the Survey of the MAgellanic Stellar History (SMASH) performed with the Dark Energy Camera on the NOAO Blanco 4m Telescope. The deep (g~24) SMASH color magnitude diagrams (CMDs) clearly reveal old (~9 Gyr), metal-poor ([Fe/H]=-0.8 dex) main-sequence stars at a distance of 50 kpc. The surface brightness of these detections is extremely low with our most distant detection having 34 mag per arcsec squared in g-band. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02671","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"}