Colors and magnitudes of quasar host galaxies at high redshift

Details Colors and magnitudes of quasar host galaxies at high redshift Colors and magnitudes of quasar host galaxies at high redshift

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..222..537r&link_type=abstract

The Interplay among Black Holes, Stars and ISM in Galactic Nuclei, Proceedings of IAU Symposium, No. 222. Edited by T. Storchi-B

Computer Science

Scientific paper

We discuss the results so far of a program to image in the rest-frame optical and near-UV the host galaxies of a sample of 5 high redshift (z˜2-3) radio-quiet quasars with nuclear luminosities lower than most samples studied at high z. We found that in the rest-frame optical the hosts have luminosities of about L*, comparable to the Lyman break galaxies at similar redshifts. From the rest-frame UV imaging, we can derive optical-UV colors, and find they show a great deal of variation, but may be somewhat redder and less starforming than the LBGs. We are supplementing this work at high z with study of the hosts of z˜1 radio-quiet quasars with similar low nuclear luminosities.

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