论文标题
DESI传统成像调查数据发行9的新的强力镜头
New Strong Gravitational Lenses from the DESI Legacy Imaging Surveys Data Release 9
论文作者
论文摘要
我们已经在暗能量光谱仪器（DESI）传统成像调查数据发行9中搜索了强力透镜系统。这是系列中的第三篇论文。这些调查一起覆盖$ \ sim $ 19,000度$^2 $从北半球可见，达到了z波段$ \ sim $ 22.5。我们使用深层的残留神经网络，该网络经过培训，该网络训练了已知的镜头系统和高级候选者的汇编以及同一足迹中的非镜头。将我们训练有素的神经网络应用于调查数据后，我们以高于阈值的概率进行视觉检查和对图像进行排名，该阈值已被选择以平衡精度和召回。我们发现了1895个镜头候选者，其中首次确定了1512次。将这项工作中的发现与论文I（335）和II（1210）的发现相结合，在传统调查中总共发现了3057个新候选人。
We have conducted a search for strong gravitational lensing systems in the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys Data Release 9. This is the third paper in a series. These surveys together cover $\sim$19,000 deg$^2$ visible from the Northern Hemisphere, reaching a z-band AB magnitude of $\sim$22.5. We use a deep residual neural network, trained on a compilation of known lensing systems and high-grade candidates as well as nonlenses in the same footprint. After applying our trained neural network to the survey data, we visually inspect and rank images with probabilities above a threshold which has been chosen to balance precision and recall. We have found 1895 lens candidates, of which 1512 are identified for the first time. Combining the discoveries from this work with those from Papers I (335) and II (1210), we have discovered a total of 3057 new candidates in the Legacy Surveys.
