{"paper":{"title":"The VMC Survey. XVIII. Radial dependence of the low-mass, 0.55--0.82 $M_\\odot$ stellar mass function in the Galactic globular cluster 47 Tucanae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Andr\\'es E. Piatti, Bi-Qing For, Chaoli Zhang, Chengyuan Li, Jim Emerson, Kenji Bekki, Licai Deng, Li Chen, Marcella Marconi, Maria-Rosa L. Cioni, Richard de Grijs, Simone Zaggia, Stefano Rubele, Valentin D. Ivanov, Vincenzo Ripepi","submitted_at":"2015-11-10T05:09:40Z","abstract_excerpt":"We use near-infrared observations obtained as part of the {\\sl Visible and Infrared Survey Telescope for Astronomy} (VISTA) Survey of the Magellanic Clouds (VMC), as well as two complementary {\\sl Hubble Space Telescope} ({\\sl HST}) data sets, to study the luminosity and mass functions as a function of clustercentric radius of the main-sequence stars in the Galactic globular cluster 47 Tucanae. The {\\sl HST} observations indicate a relative deficit in the numbers of faint stars in the central region of the cluster compared with its periphery, for $18.75\\leq m_{\\rm F606W}\\leq 20.9$ mag (corresp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.02993","kind":"arxiv","version":2},"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"}