218 citations · 289 across the 4 of their papers we have counts for
5 papers
Eclipses by circumstellar material in the T Tauri star AA Tau. II. Evidence for non-stationary magnetospheric accretion
J. Bouvier, K. N. Grankin, S. H. P. Alencar +12
We report the results of a synoptic study of the photometric and spectroscopic variability of the classical T Tauri star AA Tau on timescales ranging from a few hours to several we…
Polarization of Herbig Ae/Be candidates and their environment
Claudia V. Rodrigues, Marilia J. Sartori, Jane Gregorio-Hetem +2
We present the V band polarization of 81 Herbig Ae/Be (HAeBe) candidates from the Pico dos Dias Survey (PDS). A good estimate of the foreground polarization was possible for most s…
Variability of Southern T Tauri Stars I: The Continuum and the H 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…
Accretion-Induced Lithium Line Enhancements in Classical T Tauri Stars: RW Aur
N. M. Stout-Batalha, C. C. Batalha, G. S. Basri
It is widely accepted that much of the stochastic variability of T Tauri stars is due to accretion by a circumstellar disk. The emission line spectrum as well as the excess continu…
Determination of Atmospheric Parameters of T Tauri Stars
R. Piorno Schiavon, C. Batalha, B. Barbuy
The inferred effective temperatures (T) and surface gravities of T Tauri stars (TTS) are usually contaminated by the presence of a non stellar continuum emission (veili…