Infrared Observations of NGC 891

Details Infrared Observations of NGC 891 Infrared Observations of NGC 891

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007msl..confe..42w&link_type=abstract

"Molecules in Space and Laboratory, meeting held in Paris, France, May 14-18, 2007. Editors: J.L. Lemaire, F. Combes. ISBN: 9782

Astronomy and Astrophysics

Astrophysics

Observations

Scientific paper

We present a detailed infrared study of the nearby, edge-on, spiral galaxy NGC 891. This study is based on mid-infrared ISOCAM data, as well as complementary Spitzer, 2MASS and SCUBA data. We show that polycyclic aromatic hydrocarbon (PAH) emission features are seen to extend up to 2.3 kpc into the halo of NGC 891. This PAH emission is correlated with the warm dust in this galaxy. We also have examined the spectral energy distribution (SED) of four distinct regions of NGC 891 and show two of them here. Modeling the SED has allowed us to make mass estimates of the dust and PAHs in these four galactic regions.

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