SF-04-0039

High-angular-resolution observations of jets and outflows from Young Stellar Objects

Simone Antoniucci, Manuele Ettore Gangi, Brunella Nisini, Teresa Giannini, Maria Gabriela Navarro Ovando, Katia Biazzo

Jets and winds from Young Stellar Objects are among the main drivers of the evolution of protoplanetary disks and have a huge impact on planetary formation. While many refined models for the launch of these outflows have been developed in the last decades, direct observational validations of the jet and wind formation processes are still scarce due to the small spatial scales involved, which range from a few to tens of au’s. However, these observations are fundamental to truly assess the role of outflows on the star-disk system as they allow us to investigate several key aspects such as the morphology and knot distribution at the base of the jets, the jet collimation, the connection between accretion outbursts and ejection events, asymmetries in the blue and red lobe, the formation process and extent of slow winds from the disk and their associated mass loss rate, the possible misalignment of the inner disk with respect to the outer disk, the wiggling of the jet and its connection to the presence of unseen close-in companions.
We present observations recently obtained with VLT/MUSE to probe at high spatial resolution the formation region of jets and winds in a sample of well-characterised T Tauri stars. The data are currently being analysed and here we show the preliminary results of our analysis.