A Disk/Outflow System around a High-Mass Young Star

Details A Disk/Outflow System around a High-Mass Young Star A Disk/Outflow System around a High-Mass Young Star

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999sf99.proc..225z&link_type=abstract

Star Formation 1999, Proceedings of Star Formation 1999, held in Nagoya, Japan, June 21 - 25, 1999, Editor: T. Nakamoto, Nobeyam

Physics

2

Scientific paper

We present VLA images of a rotating disk around a young high-mass star IRAS 20126+4104. In the NH3 (1,1) and (2,2) lines, we have resolved a flattened disk-like structure (6'' x 3'' or 10000 x 5000 AU) roughly perpendicular to a bipolar molecular jet seen in the SiO and HCO+. Along the major axis of the disk exists a velocity gradient. The disk rotates faster toward the center. Our findings provide direct verification that disks exist during the formation of high-mass stars.

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