{"paper":{"title":"The Sloan Digital Sky Survey Reverberation Mapping Project: Composite Lags at $z\\lesssim 1$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Audrey Simmons, Chris Kochanek, C. J. Grier, Daniel Oravetz, Dmitry Bizyaev, Donald P. Schneider, Elena Malanushenko, Jennifer I-Hsiu Li, Jenny E. Greene, Jonathan R. Trump, Kaike Pan, Keith Horne, Kyle S. Dawson, Luis C. Ho, W. N. Brandt, Yue Shen","submitted_at":"2017-12-06T19:00:13Z","abstract_excerpt":"We present composite broad-line region (BLR) reverberation-mapping lag measurements for \\halpha, \\hbeta, \\HeII\\,$\\lambda4686$ and \\MgII\\ for a sample of 144, $z\\lesssim 1$ quasars from the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) project. Using only the 32-epoch spectroscopic light curves in the first 6-month season of SDSS-RM observations, we compile correlation-function measurements for individual objects and then coadd them to allow the measurement of the average lags for our sample at mean redshifts of $0.4$ (for \\halpha) and $\\sim 0.65$ (for the other lines). At similar qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.02366","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"}