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A Flare-Like Event from the Short-Period System XY UMa
Published online by Cambridge University Press: 12 April 2016
Extract
XY UMa (+55°1317, SA027143) is a short-period (P 0.48 d) cousin of the RS CVn stars. The primary star is G2-G5V; the secondary K5 (Geyer, quoted by Lorenzi and Scaltriti, 1977). Geyer (1977) has done the bulk of the observational work to date, including the first photoelectric observations. The rapid, annual changes in XY UMa's light curve, and the fact that the last published light curves was from the 1977 season convinced us to reobserve this active system.
- Type
- Session III: Observed Activity in Related Objects
- Information
- International Astronomical Union Colloquium , Volume 71: Activity in Red-Dwarf Stars , 1983 , pp. 411 - 413
- Copyright
- Copyright © Reidel 1983