eDIG-CHANGES III: the lagging eDIG revealed by multi-slit spectroscopy of NGC 891
Li-Yuan Lu, Jiang-Tao Li, C. Vargas, Taotao Fang, Robert A. Benjamin, J. Bregman, R. Dettmar, J. English, G. Heald, Yan Jiang, Q. D. Wang, Yang Yang