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Possible spiral structure in the Orion molecular cloud

Phillips, T. G., Jefferts, K. B., Huggins, P. J., Ade, Peter A. R. and Clegg, P. E. 1975. Possible spiral structure in the Orion molecular cloud. Astrophysical Journal 201 , L157-L159. 10.1086/181965

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An investigation is conducted of data of CO emission from the Orion molecular cloud and a map of the positions of local antenna temperature maxima for the cloud is obtained. The inner region of the map suggests the possibility of spiral arm structure. There is evidence for rotation. It is also noted that the Orion central peak frequency profile is devoid of wavelike structure. The suggested model is a disk rotating about its axis of symmetry.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: IOP Science
ISSN: 0004-637X
Last Modified: 04 Jun 2017 06:38

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