PAHs and the ISM in Metal-Poor Starbursts

Details PAHs and the ISM in Metal-Poor Starbursts PAHs and the ISM in Metal-Poor Starbursts

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011eas....46..143h&link_type=abstract

EAS Publications Series, Volume 46, 2011, pp.143-148

Computer Science

Scientific paper

We characterize PAH populations in 22 metal-poor blue compact dwarf galaxies (BCDs), 16 of which have an oxygen abundance 12+log(O/H) ≲ 8. This is the largest sample ever studied at such low metallicities. The relative PAH intensities of the 6.2, 7.7, 8.6 and 11.3 μm features in these BCDs suggest a deficit of small PAH carriers, or alternatively, an excess of large ones at these low abundances.

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