A Spectacular Post-Starburst Quasar and the AGN--Starburst Connection

Details A Spectacular Post-Starburst Quasar and the AGN--Starburst Connection A Spectacular Post-Starburst Quasar and the AGN--Starburst Connection

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.8703b&link_type=abstract

HST Proposal ID #8703

Computer Science

Hst Proposal Id #8703 Agn/Quasars

Scientific paper

We propose broad-band imaging of the spectacular post- starburst quasar UN J1025-0040 {V=19, z=0.634}. The optical spectrum is a chimera, dominated in the blue by light from a quasar, and dominated in the red by light from a 400-Myr-old starburst with a mass possibly as much as 10^11 M_SUN. The total energy budget of both sources appears similar, 10^11.6 L_SUN. The extended fuzz of the host galaxy is asymmetric toward a nearby companion {dominated by an 800-Myr-old starburst}, signifiying some kind of interaction. The relationship between the starburst and the quasar is unclear. The resolution of the Hubble Space Telescope is required to determine if the starburst is located in a second nucleus of a merging system, a circumnuclear ring, or some more complex geometry. The extreme nature of this post-starburst quasar provides a unique test case to investigate the connection between galaxy interactions, starbursts, and AGN activity.

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