Angular motion of a PAH molecule in interstellar environment.

Details Angular motion of a PAH molecule in interstellar environment. Angular motion of a PAH molecule in interstellar environment.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989iaus..135p.177r&link_type=abstract

IAU Symposium No. 135: Interstellar dust: contributed papers, p. 177 - 181

Physics

Interstellar Molecules: Polycyclic Hydrocarbons

Scientific paper

The Polycyclic Aromatic Hydrocarbon (PAH) molecules have recently been proposed as an important and hitherto undetected component of the ISM. The hypothesis was based on an attractive explanation of the "Unidentified IR Emission Bands". It has already led to a verified prediction on extended galactic and extragalactic emission measured by IRAS, or by a recent balloon-borne experiment. The authors study here the physics that rules the motion of such molecules in the ISM, taking into account their coupling with the ambient gas, the radiation field (absorption and emission) and the static magnetic field. This study is important for many implications of the PAH hypothesis such as the radio emission by these molecules or the expected polarization of their IR emission.

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