Abstract
We present high spatial resolution observations of disks around young stellar objects in Taurus with the Nobeyama Millimeter Array. A survey of circumstellar disks at 3 mm shows that the 3 mm continuum emission tends to be weaker for embedded sources than for visible T Tauri stars, which is consistent with our previous interpretation of protoplanetary disk formation. The CS gas around L1489 and IRAS 04365+2535 show disk-like structures of ∼1000 AU in radius. A 13CO observation of HL Tau indicates direct evidence of dynamical infalling motion. We discuss the formation of a centrifugally supported viscous accretion disk around HL Tau.
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Ohashi, N., Hayashi, M. (1996). High resolution observations of disks around protostellar sources with the Nobeyama Millimeter Array. In: Beckwith, S., Staude, J., Quetz, A., Natta, A. (eds) Disks and Outflows Around Young Stars. Lecture Notes in Physics, vol 465. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0102626
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DOI: https://doi.org/10.1007/BFb0102626
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