A Rotating Disk around a High-Mass Young Star

Details A Rotating Disk around a High-Mass Young Star A Rotating Disk around a High-Mass Young Star

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apj...505l.151z&link_type=abstract

The Astrophysical Journal, Volume 505, Issue 2, pp. L151-L154.

Astronomy and Astrophysics

Astrophysics

116

Scientific paper

We report the discovery of a disk around the young high-mass star IRAS 20126+4104. In the NH_3 (1, 1) and (2, 2) lines, we detected a flattened disklike structure (6^''x3^'' or 10,000 x 5000 AU) roughly perpendicular to a bipolar molecular outflow. A velocity gradient exists along the major axis of the disk. 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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