UGC408: two big bangs from a modest size black hole?

Details UGC408: two big bangs from a modest size black hole? UGC408: two big bangs from a modest size black hole?

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cxo..prop.2863j&link_type=abstract

Chandra proposal ID #11700158

Computer Science

Scientific paper

UGC408 is a prime example of an interaction between an FR I radio-source and the X-ray ISM. The existing Chandra observation reveals a large (20 kpc) cavity in the X-ray gas approximately centered on the galaxy nucleus as well as X-ray emission from the nucleus and a small 5'' jet. GMRT radio observations show emission from very extended low frequency radio plasma that overfills the X-ray cavity. A comparison of the X-ray and radio images suggests that two AGN outbursts have occured. We propose a deep 95 ksec observation to 1) investigate the interaction of the radio lobes and jets with the X-ray emitting gas, 2) determine the age and total energy for each AGN outburst and 3) better characterize the structure, spectrum and extent of the X-ray jet.

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