The Sloan Digital Sky Survey Reverberation Mapping Project : improving lag detection with an extended multiyear baseline

Alfred P. Sloan Research Fellowship Alfred P. Sloan Foundation; NSF National Science Foundation (NSF) [AST-1517113, AST-1516784, AST-1715579]; STFC Science & Technology Facilities Council (STFC) [ST/R000824/1]; NSERC Natural Sciences and Engineering Research Council of Canada [2017-05983]; National Science Foundation of China National Natural Science Foundation of China [11721303]; National Key RD Alfred P. Sloan Foundation Alfred P. Sloan Foundation; U.S. Department of Energy Office of Science United States Department of Energy (DOE); Center for High-Performance Computing at the University of Utah; Brazilian Participation Group; Carnegie Institution for Science; Carnegie Mellon University; Chilean Participation Group; French Participation Group; Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Harvard-Smithsonian Center for Astrophysics; Instituto de Astrofisica de Canarias; Johns Hopkins University Johns Hopkins University; Kavli Institute for the Physics and Mathematics of the Universe (IPMU)/University of Tokyo; Korean Participation Group; Lawrence Berkeley National LaboratoryUnited States Department of Energy (DOE); Leibniz Institut fur Astrophysik Potsdam (AIP); Max-Planck-Institut fur Astronomie (MPIA Heidelberg); Max-Planck-Institut fur Astrophysik (MPA Garching); Max-Planck-Institut fur Extraterrestrische Physik (MPE); National Astronomical Observatories of China; New Mexico State University; New York University; University of Notre Dame; Observatario Nacional/MCTI; Ohio State University Ohio State University; Pennsylvania State University; Shanghai Astronomical Observatory; United Kingdom Participation Group; Universidad Nacional Autonoma de Mexico; University of Arizona; University of Colorado Boulder; University of Oxford; University of Portsmouth; University of Utah; University of Virginia; University of Washington University of Washington; University of Wisconsin; Vanderbilt University; Yale University; National Aeronautics & Space Administration (NASA) [NNX08AR22G]; National Science Foundation (NSF) [AST-1238877]