Investigating the Nuclear Activity of Barred and Unbarred Spiral Galaxies

Details Investigating the Nuclear Activity of Barred and Unbarred Spiral Galaxies Investigating the Nuclear Activity of Barred and Unbarred Spiral Galaxies

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cxo..prop.2889j&link_type=abstract

Chandra proposal ID #11700740

Computer Science

Scientific paper

We propose to complete Chandra observations of a well-defined, well-matched sample of 32 nearby (d<70 Mpc) barred and unbarred spiral galaxies. Twelve galaxies are currently unobserved, and we request a total of 180ks of ACIS-S observations (15ks each) to complete this unique survey. The aim of this X-ray study is to search for low-luminosity AGN activity (down to 5e39 erg/s) that optical observations may have been unable to detect. In conjunction with uniform multiwavelength bar and nuclear morphology classifications, this will allow us to determine what effect the presence/absence of a bar/nuclear feature has on the detection and strength of the X-ray nuclei. This is the first X-ray study of its kind, and has great potential to shed light on the long-standing questions of AGN fueling.

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