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Local Enhancement of Surface Density in the Protoplanetary Ring Surrounding HD 142527
Misato Fukagawa, Takashi Tsukagoshi, Munetake Momose +15
We report ALMA observations of dust continuum, 13CO J=3--2, and C18O J=3--2 line emission toward a gapped protoplanetary disk around HD 142527. The outer horseshoe-shaped disk show…
Direct Imaging of a Compact Molecular Outflow from a Very Low-luminosity Object; L1521F-IRS
Satoko Takahashi, Nagayoshi Ohashi, Tyler Bourke
We report interferometric observations of the VeLLO L1521F-IRS, in 12CO (2-1) line emission and the 1.3 mm continuum emission, using the Submillimeter Array (SMA). With the 12CO hi…
Unveiling the Evolutionary Sequence from Infalling Envelopes to Keplerian Disks around Low-Mass Protostars
Hsi-Wei Yen, Shigehisa Takakuwa, Nagayoshi Ohashi +1
We performed SMA observations in the C18O (2-1) emission line toward six Class 0 and I protostars, to study rotational motions of their surrounding envelopes and circumstellar mate…