The Stellar Content of Powerful Radio Galaxies -- A NICMOS Survey of 0.8 < z < 1.8 3CR Sources

Details The Stellar Content of Powerful Radio Galaxies -- A NICMOS Survey of 0.8 < z < 1.8 3CR Sources The Stellar Content of Powerful Radio Galaxies -- A NICMOS Survey of 0.8 < z < 1.8 3CR Sources

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7454d&link_type=abstract

HST Proposal ID #7454

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Hst Proposal Id #7454 Agn/Quasars

Scientific paper

Radio galaxies {RGs} are the only massive objects at z > 1 that are known to contain old stellar populations. This, and the association of nearby, bright radio sources with gE and cD galaxies, suggest that distant RGs are the progenitors of present-day, massive ellipticals. The study of distant RGs is complicated by their powerful active nucleus, whose emission dominates at rest-frame UV wavelengths, producing the observed peculiar, elongated morphologies; the underlying stellar component is lost in the glare. Ground-based IR imaging reveals that although in a few cases the peculiar aligned morphology persists into the IR, in most cases a more ``normal'' host galaxy is present. Here, we propose to obtain moderately deep NICMOS images of a sample of 1

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