An ammonia study of the Orion streamer

Details An ammonia study of the Orion streamer An ammonia study of the Orion streamer

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...281..209c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 281, no. 1, p. 209-219

Astronomy and Astrophysics

Astrophysics

37

Ammonia, Interstellar Matter, Molecular Clouds, Orion Constellation, Radio Emission, Abundance, Astronomical Maps, Line Spectra, Spectrum Analysis

Scientific paper

The north-south oriented, 'integral-shaped' streamer of gas which contains Orion KL has been investigated in the (J, K) = (1, 1) and (2, 2) inversion lines of NH3. Maps up to 25 arcminutes north and south of Orion KL are presented. A complex structure is present; this may be due to a collection of clumps. From the NH3, the kinetic temperatures, masses and sizes are determined. The positions and characteristics of the IRAS point sources in the region are discussed in relationship with the molecular gas. Finally, the ammonia distribution and velocity field in these regions are compared to the results obtained from other molecular tracers.

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