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Remodel the Envelope Around the 21 micrometer PPN IRAS 07134+1005
Chun-Hui Yang, Chin-Fei Lee
Recently, the CO J=3-2 observational result of the envelope of the 21 micrometer PPN IRAS 07134+1005 has been reported. Assuming that the CO J=3-2 line was optically thin, the mass…
A Rotating Disk in the HH 111 Protostellar System
Chin-Fei Lee
The HH 111 protostellar system is a young Class I system with two sources, VLA 1 and VLA 2, at a distance of 400 pc. Previously, a flattened envelope has been seen in C18O to be in…
An Envelope Disrupted by a Quadrupolar Outflow in the Pre-Planetary Nebula IRAS19475+3119
Ming-Chien Hsu, Chin-Fei Lee
IRAS 19475+3119 is a quadrupolar pre-planetary nebula (PPN), with two bipolar lobes, one in the east-west (E-W) direction and one in the southeast-northwest (SE-NW) direction. We h…
Molecular Outflows in the Substellar Domain: Millimeter Observations of Young Very Low Mass Objects in Taurus and rho Ophiuchi
Ngoc Phan-Bao, Chin-Fei Lee, Paul T. P. Ho +1
We report here our search for molecular outflows from young very low mass stars and brown dwarfs in Taurus and rho Ophiuchi. Using the Submillimeter Array (SMA) and the Combined Ar…