A Multi-wavelength Study of Outflows in an Unbiased Sample of Local AGNs

Details A Multi-wavelength Study of Outflows in an Unbiased Sample of Local AGNs A Multi-wavelength Study of Outflows in an Unbiased Sample of Local AGNs

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.0502w&link_type=abstract

American Astronomical Society, HEAD meeting #11, #5.02; Bulletin of the American Astronomical Society, Vol. 41, p.657

Astronomy and Astrophysics

Astronomy

Scientific paper

While mass outflows from AGN are believed to affect their host galaxy's evolution - enriching their local ISM and potentially IGM with metals from supernova explosions and quenching epochs of star formation - the properties of these outflows are poorly understood. Even the fraction of outflows is not known, since previous studies were based on sources selected for their optical/X-ray brightness. With the Swift Burst Alert Telescope (BAT) AGN survey, we have identified an unbiased sample of 51 nearby ( = 0.03) Seyfert 1-1.5s, selected in the 14-195 keV band. In addition to many well-known bright optical/soft X-ray sources, this sample includes lower luminosity Seyferts that were detected as AGN for the first time with Swift. We detail our preliminary results in studying the X-ray (through warm absorber signatures), UV (through absorption features in the broad AGN emission lines), and optical (through our high resolution ground based spectra of the Na ID doublet) signatures of outflows in our unbiased sample.
This work is largely funded through NASA grant HST-HF-51263.01-A, through a Hubble Fellowship from the Space Telescope Science Institute.

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