The Wasp-Waist Nebula: VLA Ammonia Observations of the Molecular Core Envelope In a Unique Class 0 Protostellar System

Details The Wasp-Waist Nebula: VLA Ammonia Observations of the Molecular Core Envelope In a Unique Class 0 Protostellar System The Wasp-Waist Nebula: VLA Ammonia Observations of the Molecular Core Envelope In a Unique Class 0 Protostellar System

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542924w&link_type=abstract

American Astronomical Society, AAS Meeting #215, #429.24; Bulletin of the American Astronomical Society, Vol. 42, p.353

Astronomy and Astrophysics

Astronomy

Scientific paper

The Wasp-Waist Nebula was discovered in the IRAC c2d survey
of the Ophiuchus star-forming clouds. It is powered by a well-isolated,
low-luminosity, low-mass Class 0 object. Its weak outflow has been mapped in the CO (3-2) transition with the JCMT, in 2.12 micron H2 emission with WIRC (the Wide-Field Infrared Camera) on the Hale 5-meter, and, most
recently, in six H2 mid-infrared lines with the IRS (InfraRed
Spectrograph) on-board the Spitzer Space Telescope; possible jet twisting structure may be evidence of unique core dynamics. Here, we report
results of recent VLA ammonia mapping observations of the dense gas envelope feeding the central core protostellar system. We describe the morphology, kinematics, and angular momentum characteristics of this unique system. The results are compared with the envelope structure deduced from
IRAC 8-micron absorption of the PAH (polycyclic aromatic hydrocarbon)
background emission from the cloud.

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