NICMOS Imaging of QSO Host Galaxies at 0.1 < Z < 4.4

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Scientific paper

We present preliminary results from two programs to image the host galaxies of radio-quiet quasars in 1.6 micron light using NICMOS camera 2 on HST. The high redshift program consists of QSOs covering the redshift range 0.8 < z < 4.4 and a range of QSO luminosities. Of the six objects for which data have been obtained the results range from no host galaxy detected, to an obvious galaxy with an interacting companion, to a possible high redshift galaxy cluster. The low redshift program covers QSOs with 0.1 < z < 0.4. A host galaxy is detected in all 12 objects for which data have been obtained.

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