Mennickent, R; Greiner, J; Arenas, J; Tovmassian, G; Mason, E; Tappert, C; Papadaki, C
(2008)
We present new optical spectroscopy and photometry, Two-Micron All-Sky Survey (2MASS) infrared observations and 24 yr of combined American Association of Variable Star Observers (AAVSO) and Association Francaise des ...