Variability of Southern T Tauri Stars I: The Continuum and the H$\beta$ Inverse PCygni Profile of GQ LUPI

C. Batalha, D. F. Lopes, N. M. Batalha

We present time series spectrophotometric observations of GQ Lupi, a typical representative of the YY Ori subgroup of T Tauri stars that show conspicuous inverse PCygni profiles. T…