e-Article
OzDES Reverberation Mapping Program: Hβ lags from the 6-yr survey
Document Type
article
Author
Malik, U; Sharp, R; Penton, A; Yu, Z; Martini, P; Lidman, C; Tucker, BE; Davis, TM; Lewis, GF; Aguena, M; Allam, S; Alves, O; Andrade-Oliveira, F; Asorey, J; Bacon, D; Bertin, E; Bocquet, S; Brooks, D; Burke, DL; Rosell, A Carnero; Carollo, D; Kind, M Carrasco; Carretero, J; Costanzi, M; da Costa, LN; Pereira, MES; De Vicente, J; Desai, S; Diehl, HT; Doel, P; Everett, S; Ferrero, I; Frieman, J; García-Bellido, J; Gerdes, DW; Gruen, D; Gruendl, RA; Gschwend, J; Hinton, SR; Hollowood, DL; Honscheid, K; James, DJ; Kuehn, K; Marshall, JL; Mena-Fernández, J; Menanteau, F; Miquel, R; Ogando, RLC; Palmese, A; Paz-Chinchón, F; Pieres, A; Malagón, AA Plazas; Raveri, M; Rodriguez-Monroy, M; Romer, AK; Sanchez, E; Scarpine, V; Sevilla-Noarbe, I; Smith, M; Soares-Santos, M; Suchyta, E; Swanson, MEC; Tarle, G; Taylor, G; Tucker, DL; Weaverdyck, N; Wilkinson, RD
Source
Monthly Notices of the Royal Astronomical Society. 520(2)
Subject
Language
Abstract
Reverberation mapping measurements have been used to constrain the relationship between the size of the broad-line region and luminosity of active galactic nuclei (AGN). This R-L relation is used to estimate single-epoch virial black hole masses, and has been proposed to use to standardize AGN to determine cosmological distances. We present reverberation measurements made with Hβ from the 6-yr Australian Dark Energy Survey (OzDES) Reverberation Mapping Program. We successfully recover reverberation lags for eight AGN at 0.12 < z < 0.71, probing higher redshifts than the bulk of Hβ measurements made to date. Our fit to the R-L relation has a slope of α = 0.41 ± 0.03 and an intrinsic scatter of σ = 0.23 ± 0.02 dex. The results from our multi-object spectroscopic survey are consistent with previous measurements made by dedicated source-by-source campaigns, and with the observed dependence on accretion rate. Future surveys, including LSST, TiDES, and SDSS-V, which will be revisiting some of our observed fields, will be able to build on the results of our first-generation multi-object reverberation mapping survey.