Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832726l&link_type=abstract
American Astronomical Society, AAS Meeting #218, #327.26; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
We are studying the relationship between black hole growth and star formation activity using a sample of 300 star-forming and composite AGN/star-forming galaxies and a sample of 50 AGN dominated sources. Using Spitzer IRS and Sloan Digital Sky Survey (SDSS) spectra, we will investigate the optical and mid-infrared parameter space in which these sources live. We will present the relationships among proxies that trace intrinsic AGN luminosity (e.g. [OIII] 5007 Angstrom, [NeV] 14 micron and mid-infrared continuum luminosities), star formation activity (e.g. optically derived star formation rates from SDSS and IR star formation rates from the [NeII] 12.8 micron and [NeIII] 15.6 micron emission lines, polycyclic aromatic hydrocarbon (PAH) luminosities) and the relative importance of AGN and starburst processes (e.g. PAH equivalent widths, the optical ``D'' parameter, the mid-infrared spectral index, ionization field hardness). For the sample of AGN, we will include the soft X-ray (0.5 - 2 keV) perspective, from Chandra and XMM-Newton analysis, on the relative contributions of AGN to star formation activity.
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