Ozdes混响映射计划：6年调查中的H $β$滞后

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Ozdes混响映射计划：6年调查中的H $β$滞后

OzDES Reverberation Mapping Program: H$β$ lags from the 6-year survey

论文作者

Malik, Umang, Sharp, Rob, Penton, A., Yu, Z., Martini, P., Lidman, C., Tucker, B. E., Davis, T. M., Lewis, G. F., Aguena, M., Allam, S., Alves, O., Andrade-Oliveira, F., Asorey, J., Bacon, D., Bertin, E., Bocquet, S., Brooks, D., Burke, D. L., Rosell, A. Carnero, Carollo, D., Kind, M. Carrasco, Carretero, J., Costanzi, M., da Costa, L. N., Pereira, M. E. S., De Vicente, J., Desai, S., Diehl, H. T., Doel, P., Everett, S., Ferrero, I., Frieman, J., García-Bellido, J., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Hinton, S. R., Hollowood, D. L., Honscheid, K., James, D. J., Kuehn, K., Marshall, J. L., Mena-Fernández, J., Menanteau, F., Miquel, R., Ogando, R. L. C., Palmese, A., Paz-Chinchón, F., Pieres, A., Malagón, A. A. Plazas, Raveri, M., Rodriguez-Monroy, M., Romer, A. K., Sanchez, E., Scarpine, V., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. E. C., Tarle, G., Taylor, G., Tucker, D. L., Weaverdyck, N., Wilkinson, R. D.

论文摘要

混响映射测量已用于限制广泛区域的大小与主动银河核（AGN）的光度之间的关系。这种$ r-l $关系用于估计单周期病毒黑洞质量，并已提议用于标准化AGN以确定宇宙学距离。我们介绍了澳大利亚六年的澳大利亚黑暗能源调查（OZDES）混响映射计划中用H $β$进行的混响测量。我们成功地收回了八个AGN的回响滞后，$ 0.12 <z <0.71 $，探测红移的滞后比迄今为止的大部分H $β$测量值更高。我们适合$ r-l $关系的坡度为$α= 0.41 \ pm0.03 $，$σ= 0.23 \ pm0.02 $ dex的内在散布。我们多对象光谱调查的结果与以前由专用源源运动进行的测量以及观察到的依赖增值率一致。未来的调查，包括LSST，TIDE和SDSS-V，将重新访问我们观察到的一些领域，将能够基于我们第一代多对象混响映射调查的结果。

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 for use to standardise AGN to determine cosmological distances. We present reverberation measurements made with H$β$ from the six-year 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 H$β$ measurements made to date. Our fit to the $R-L$ relation has a slope of $α=0.41\pm0.03$ and an intrinsic scatter of $σ=0.23\pm0.02$ 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.

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