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R. Akeson (IPAC/Caltech)
Observational techniques at many wavelengths have been utilized in the study of low mass young stars, called T Tauri stars. Infrared interferometry is one of the more recent techniques and can provide unique information on these sources. At the distances to nearby star forming regions such as the Taurus-Aurigae cloud, the resolution provided is well matched to the size scale of the inner circumstellar disk. Although current observations are somewhat limited in scope, they are providing interesting constraints on disk properties. Observations from the Palomar Testbed Interferometer will be presented and discussed in the context of circumstellar disk models.