{"paper":{"title":"Search for the metal-weak thick disk from the LAMOST DR5","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. Zhang, H. Tian, J.-R. Shi, T.-S. Yan, W. Zhang","submitted_at":"2021-11-25T00:56:21Z","abstract_excerpt":"Based on the data release of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope survey (LAMOST DR5) and the \\emph{Gaia} Early Data Release 3 (\\emph{Gaia} EDR3), we construct a sample containing 46,109 giant (log~$\\emph{g}$ $\\leqslant$ 3.5\\,dex) stars with heliocentric distance d $\\leqslant$ 4 kpc, and the sample is further divided into two groups of the inner ({\\RGC} $<$ 8.34 \\,kpc) and outer region ({\\RGC} $>$ 8.34\\,kpc). The {\\LZ} distributions of our program stars in the panels with different [Fe/H] and [$\\alpha$/Fe] suggest that the thick-disk consists of two distinct components"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.12859","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.12859/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}