V1187 Her
References
Caton et al. (2019)
BVRcIc Observations, Analysis, and Spectra of The Most Extreme Mass Ratio (Totally Eclipsing) W UMa Binary, V1187 Herculis, 2019, Publications of the Astronomical Society of the Pacific, Volume 131, p. 054203 (14pp) Caton, Daniel; Gentry, Davis R.; Samec, Ronald G.; Chamberlain, Heather; Robb, Russell; Faulkner, Daniel R.; Hill, Robert;
https://ui.adsabs.harvard.edu/abs/2019PASP..131e4203C/abstract