{"paper":{"title":"The Host Galaxy of the Hyperactive Repeating FRB 20240114A: Behind a Galaxy Cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bing Zhang, Chao-Wei Tsai, Chen-Hui Niu, Di Li, Dong-Wei Bao, Guo-Dong Li, Hu Zou, Jun-Shuo Zhang, Lu-Dan Zhang, Lu-Lu Bao, Mai Liao, Pei Wang, Pei Zuo, Rui Luo, Sui-Jian Xue, Wei-Wei Zhu, Xiang-Lei Chen, Yi Feng, Yong-Kun Zhang","submitted_at":"2025-02-08T14:23:38Z","abstract_excerpt":"We report on the optical spectroscopic observations of the host galaxy of the hyperactive repeating fast radio burst, FRB 20240114A. The host galaxy is a dwarf galaxy at a redshift of $z=0.1306\\pm0.0002$. With a rest-frame coverage of 4300-7900 \\AA, we have detected H$\\rm{\\alpha}$, H$\\rm{\\beta}$, [O III]$\\lambda\\lambda$4959,5007, [N II]$\\lambda\\lambda$6548,6583, and [S II]$\\lambda$6716 emission lines. The emission line ratios suggest that the ionization in the host galaxy is dominated by star formation. The star formation rate (SFR) derived from the H$\\rm{\\alpha}$ emission line is $(0.06 \\pm 0"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.05587","kind":"arxiv","version":3},"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/2502.05587/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"}