We use the Hyper Suprime-Cam Subaru Strategic Program S19A shape catalog to construct weak lensing shear-selected cluster samples. From aperture mass maps covering ∼510 deg2 created using a truncated Gaussian filter, we construct a catalog of 187 shear-selected clusters that correspond to mass map peaks with signal-to-noise ratio larger than 4.7. Most of the shear-selected clusters have counterparts in optically selected clusters, from which we estimate the purity of the catalog to be higher than 95%. The sample can be expanded to 418 shear-selected clusters with the same signal-to-noise ratio cut by optimizing the shape of the filter function and by combining weak lensing mass maps created with several different background galaxy selections. We argue that dilution and obscuration effects of cluster member galaxies can be mitigated by using background source galaxy samples and adopting a filter function with its inner boundary larger than about 2′. The large samples of shear-selected clusters that are selected without relying on any baryonic tracer are useful for detailed studies of cluster astrophysics and cosmology.

中文翻译：

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从 Hyper Suprime-Cam Subaru 战略计划 S19A 数据中选择的数百个弱透镜剪切集群

我们使用 Hyper Suprime-Cam Subaru 战略计划 S19A 形状目录来构建弱透镜剪切选择的集群样本。从使用截断高斯滤波器创建的覆盖~510 deg2 的孔径质量图，我们构建了一个包含 187 个剪切选择的簇的目录，这些簇对应于信噪比大于 4.7 的质量图峰。大多数剪切选择的集群在光学选择的集群中都有对应物，我们估计目录的纯度高于 95%。通过优化滤波器函数的形状并结合使用几个不同背景星系选择创建的弱透镜质量图，可以将样本扩展到具有相同信噪比削减的 418 个剪切选择的星团。我们认为，可以通过使用背景源星系样本并采用其内边界大于约 2' 的过滤函数来减轻星团成员星系的稀释和遮蔽效应。在不依赖任何重子示踪剂的情况下选择的大量剪切选择的星团样本对于星团天体物理学和宇宙学的详细研究很有用。