{"paper":{"title":"A Scaling Relation of LRDs between Broad H$\\alpha$ and Bolometric Luminosities: Enhanced Broad H$\\alpha$ Emission Relative to Low-$z$ Type 1 AGN","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Hiroto Yanagisawa, Makoto Ando, Masami Ouchi, Minami Nakane, Tomokazu Kiyota, Yoshiaki Ono, Yuichi Harikane, Yui Takeda, Yuta Kageura","submitted_at":"2026-06-08T16:49:53Z","abstract_excerpt":"We investigate the demography of little red dots (LRDs) using 37 objects at $z\\sim3$-$7$ with JWST/NIRSpec PRISM and grating spectra compiled from various JWST programs. We focus on spectroscopic quantities of the broad H$\\alpha$ luminosity $L_\\mathrm{H\\alpha,broad}$ (and the broad H$\\beta$ luminosity $L_\\mathrm{H\\beta,broad}$ where available) and the bolometric luminosity $L_\\mathrm{bol}$ represented by modified blackbody emission, avoiding quantities contaminated by host-galaxy emission (e.g., total H$\\alpha$ luminosity). We identifiy a tight scaling relation between $L_\\mathrm{H\\alpha,broad"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09726","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/2606.09726/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"}