SiO Emission From a 1000 AU Disk in Orion-KL

Details SiO Emission From a 1000 AU Disk in Orion-KL SiO Emission From a 1000 AU Disk in Orion-KL

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995adil...mw...01w&link_type=abstract

NCSA Astronomy Digital Image Library

Astronomy and Astrophysics

Astronomy

Scientific paper

We mapped the v=1 and v=0 J=2-1 transitions of SiO in Orion-KL with 0.5" angular resolution. The v=1 emission originates from an 80 AU diameter ring of maser spots centered on radio continuum source I, while the v=0 emission appears to delineate a approximately 1000 AU diameter flared disk centered on source I, with long axis perpendicular to the Orion-KL bipolar outflow. The v=0 line has brightness temperatures as high as 3000 K, probably indicating regions of weak maser emission.

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