Recent Black Hole Growth in UHECR-Emitting Quasar Remnants

Details Recent Black Hole Growth in UHECR-Emitting Quasar Remnants Recent Black Hole Growth in UHECR-Emitting Quasar Remnants

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apr.q1002h&link_type=abstract

American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #Q1.002

Physics

Scientific paper

We are investigating a set of nearby quasar remnants that are likely emitters of Ultra High Energy Cosmic Rays (UHECRs). In order to accelerate UHECRs, we believe that these galaxies' central black holes must accrete gas while producing very little radiation. This puts these objects into a very different regime from any quasar phase they may have undergone earlier. The history of black hole growth is therefore important; it may be that these galaxies experience recent, significant black hole growth by accreting gas from the bulge, long after their last major galactic merger.

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