A paper by Ikeda, Ma, H.-X., Takeuchi, T. T., Cooray, S, and Zhu, Y., entitled "sOPTICS: A Modified Density-Based Algorithm for Identifying Galaxy Groups/Clusters and Brightest Cluster Galaxies" has been accepted for publication in Monthly Notices of the Royal Astronomical Society.
ArXiv version is found in
https://arxiv.org/abs/2405.09855