{"paper":{"title":"The mass-metallicity relation at z~1.4 revealed with Subaru/FMOS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"David Bonfield, Edward Macaulay, Emma Curtis-Lake, Fraser Clarke, Fumihide Iwamuro, Gavin Dalton, Hanshin Lee, Ian Lewis, John Silverman, Kiyoto Yabe, Kouji Ohta, Masahiko Kimura, Masanao Sumiyoshi, Masayuki Akiyama, Naoyuki Tamura, Naruhisa Takato, Suraphong Yuma, Toshinori Maihara, Yuki Moritani","submitted_at":"2013-11-11T21:49:22Z","abstract_excerpt":"We present a stellar mass-metallicity relation at z~1.4 with an unprecedentedly large sample of ~340 star-forming galaxies obtained with FMOS on the Subaru Telescope. We observed K-band selected galaxies at 1.2 < z_{ph} < 1.6 in the SXDS/UDS fields with M_{*} > 10^{9.5} M_{\\sun}, and expected F(H\\alpha) > 5 \\times 10^{-17} erg s^{-1} cm^{-2}. Among the observed ~1200 targets, 343 objects show significant H\\alpha emission lines. The gas-phase metallicity is obtained from [NII]\\lambda 6584/H\\alpha line ratio, after excluding possible active galactic nuclei (AGNs). Due to the faintness of the [NI"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2624","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"}