Is the binary AGN in the galaxy pair UGC 08327 activating or quiescencing?

Details Is the binary AGN in the galaxy pair UGC 08327 activating or quiescencing? Is the binary AGN in the galaxy pair UGC 08327 activating or quiescencing?

Sep 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010cxo..prop.3023p&link_type=abstract

Chandra proposal ID #12700599

Physics

Scientific paper

We propose to observe UGC 08327, one of the rare case of galaxy pair hosting a binary AGN. The optical spectra clearly classify both nuclei as type 2 Seyfert galaxies. The XRT/Swift data are limited in resolution and sensitivity, allowing a secure detection for only the brightest AGN. A 5 sigma estimate of the X-ray luminosity of the second one is consistent with an AGN origin. We request a 30 ks Chandra observation to definitely confirm the AGN nature of the weakest source and assess the obscuration level in both AGN. The spatial separation of the two merging galaxies is in between the activation and the quiescence AGN phases predicted by models, making UGC 08327 an ideal laboratory to investigate how the activity is triggered by massive mergers.

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