Possible spiral structure in the Orion molecular cloud

Details Possible spiral structure in the Orion molecular cloud Possible spiral structure in the Orion molecular cloud

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...201l.157p&link_type=abstract

Astrophysical Journal, vol. 201, Nov. 1, 1975, pt. 2, p. L157-L159.

Astronomy and Astrophysics

Astronomy

5

Astronomical Models, Carbon Monoxide, Interstellar Gas, Molecular Spectra, Nebulae, Astronomical Maps, Brightness Temperature, Line Spectra, Radio Astronomy, Stellar Motions

Scientific paper

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.

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