Mekkaden, M. V; Raveendran, A. V; Rosario, M. J; Heckert, P. A
(Royal Astronomical Society, 2009-04)
We present extensive UBVRI photometry of the active RS CVn binary DM UMa obtained at two different observatories over 1988-2008. We find the light curve of the star to be highly variable. The long-term photometry shows no ...