Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.4406h&link_type=abstract
American Astronomical Society, AAS Meeting #211, #44.06; Bulletin of the American Astronomical Society, Vol. 39, p.793
Astronomy and Astrophysics
Astronomy
1
Scientific paper
Twenty-eight new high resolution Spitzer IRS 9-37 μm spectra from the 12 μm Active Galaxy Sample are presented and discussed. Emission line fluxes and PAH-feature strengths are given, and several new combinations of emission line ratios are explored. [NeIII]/[NeII] versus [SIV]/[SIII] and [SIV]/[SIII] versus [NeV]/[NeIII] are especially important in separating AGN based on their starburst and coronal line region activity. Using models for the infrared line fluxes of Seyferts and starburst galaxies published by Groves, Dopita, and Sutherland, we created a simple three-component (Seyfert, starburst, and CLR, taken from CLOUDY predictions) model for eight mid-infrared lines and applied the model to our data. A series of mixing diagrams are presented that allow for the fluxes of only a few spectral features to be measured to discern the contribution to the AGN from both the object's starburst component and the CLR component.
Hainline Kevin
Malkan Matthew
Smith Hal
Spinoglio Luigi
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