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Published 1980 | Published
Book Section - Chapter Open

Lunar Occultation Observations of Millimeter CO Emission in S255


Observations of millimeter wavelength emission lines at the highest possible angular resolution are necessary to reveal the energetics and dynamics in compact regions of star formation activity. Lunar occultations of molecular clouds provide a means for obtaining angular resolution that is much better than that possible with a single radio telescope, and make it possible to study in more distant sources features at the same linear scale as those in Orion. We have recently used lunar occultations of the region around two infrared sources embedded in the S255 molecular cloud to determine the angular structure of the CO emission of the surrounding gas, and we have found that this region closely resembles the core of the Orion molecular cloud (Schloerb and Scoville 1980).

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© 1980 by the IAU. The Five College Radio Astronomy Observatory is supported by NSF Grant AST76-24610 and is operated with the permission of the Metropolitan District Commission of the Commonwealth of Massachusetts. This is contribution No. 325 of the Five College Astronomy Department.

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August 19, 2023
January 14, 2024