Abstract

Since 1996 November we have monitored four weak-lined, classical T Tauri stars — RY Tau, SU Aur, V410 Tau, and TIDE 283572 — with the University of Vienna twin automatic photoelectric telescope (APT). Here we present the first long-term light curves of RY Tau and SU Aur for the 1996/1997 observing season. A description of the APT can be found in Strassmeier et al. (1997, PASP 109, 697); a survey with more photometric observations is described by Strassmeier et al. (1997, A&AS 125, 11). Further information is also available at http://www.ast.univie.ac.at/~kgs/APT.KeywordsVersus VariationColour IndexStellar WindErratic IncreaseAverage MagnitudeThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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