Superhumps Behavior during Normal Outbursts in ER UMa: Spectroscopy and Photometry

Yinghe Zhao, Zongyun Li, Xiaoan Wu +4

We have taken a 4-day spectroscopic observation and have been conducting a 13-day photometric study of the SU UMa-type dwarf nova, ER Ursae Majoris. The mean $K$-amplitude for the…