A survey for "PAH" emission in H II regions, planetary and proto-planetary nebulae.

Details A survey for "PAH" emission in H II regions, planetary and proto-planetary nebulae. A survey for "PAH" emission in H II regions, planetary and proto-planetary nebulae.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989iaus..135p..95d&link_type=abstract

IAU Symposium No. 135: Interstellar dust: contributed papers, p. 95 - 99

Physics

H Ii Regions: Polycyclic Hydrocarbons, Planetary Nebulae: Polycyclic Hydrocarbons, Protoplanetary Nebulae: Polycyclic Hydrocarbons

Scientific paper

The authors report on preliminary results of a systematic investigation of PAH emission in H II regions, planetary nebulae (PN) and proto-planetary nebulae (PPN). This emission occurs in a vast majority of H II regions showing the ubiquity of the carriers. With the remarkable exception of NGC 6302, PAH emission is only seen in carbon-rich PNs and PPNs and is quite common in this case.

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