Association of cyanodiacetylene emission in Heiles 2 with a cloud collision

Details Association of cyanodiacetylene emission in Heiles 2 with a cloud collision Association of cyanodiacetylene emission in Heiles 2 with a cloud collision

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.183..805l&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 183, June 1978, p. 805-811.

Astronomy and Astrophysics

Astronomy

24

Acetylene, Cn Emission, Cosmic Dust, Cyano Compounds, Microwave Emission, Molecular Spectra, Radio Sources (Astronomy), Absorption Spectra, Clouds, Electron Transitions, Molecular Excitation, Particle Collisions

Scientific paper

A map of the J = 9-8 transition of cyanodiacetylene emission in Heiles 2 dust cloud shows the source to be highly extended with dimensions 16 by about 2 times 10 to the 17th power cm. Although it may have stopped collapsing along its width, it appears to be unstable to contraction along its length. The position, elongation, and LSR velocity of the source suggest that it may result from a cloud collision between the two halves of Heiles 2.

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