The Inner Regions of Quasars: Cycle 2 Continuation

Details The Inner Regions of Quasars: Cycle 2 Continuation The Inner Regions of Quasars: Cycle 2 Continuation

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992hst..prop.3858w&link_type=abstract

HST Proposal ID #3858

Computer Science

Hst Proposal Id #3858

Scientific paper

This is an updated proposal for the second half of our previously-approved program to investigate a well defined sample of 50 luminous AGN. For the first time, out HST/FOS and quasi-simultaneous ground-based spectroscopy will allow an accurate comparison of line strengths, profiles and profile shifts, and continuum energy distributions over a very wide wavelength range from about 0.1 to 1.0 micron in the SAME SPECTRUM. Our sample is selected to cover a limited range in radio lobe luminosity, and orientation-independent luminosity. It also covers a wide range of radio core-dominance to allow test of the dependence of various parameters on inclination of the inner regions (~<1 pc) to the line-of- sight. Potentially this dependence is a powerful probe of the kinematics and geometry of the broad line region (BLR), and axisymmetry of continuum emission. Statistical relations among emission line and continuum parameters, radio and X-ray luminosity will allow us to investigate many questions, including: Are there inclined accretion disks? Is there stratification of the BLR? Is there angle-dependent and luminosity-dependent ionization of the BLR? What is the origin of the Fe II emission? What is the importance of the line and continuum reddening? How is X-ray and radio emission related to the optical-UV properties? The spectroscopy proposed here is being complemented by our VLA mapping, and variability monitoring of optical (B,R) and radio core emission (VLA). The sample size is min. requ'd for meaningful statistical investigation.

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