A Change of Rotation Profile in the Envelope in the HH 111 Protostellar System: A Transition to a Disk?

The HH 111 protostellar system consists of two Class I sources (VLA 1 and 2) with putative disks deeply embedded in a flattened envelope at a distance of 400 pc. A follow-up study of this system in C18O (J = 2-1), SO (NJ = 56-45), and 1.33 mm continuum at ~1'' (400 AU) resolution is perfor...

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