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Black hole masses in three Seyfert galaxies
(University of Chicago Press: Astrophysical Journal, 2003-03-01)
We analyze published reverberation mapping data for three Seyfert galaxies (NGC 3227, NGC 3516, and NGC 4593) to refine the mass estimate for the supermassive black hole in the center of each object. Treatment of the data ...
Hubble Space Telescope imaging of brightest cluster galaxies
(University of Chicago Press: Astronomical Journal, 2003-02)
We used the HST WFPC2 to obtain I-band images of the centers of 81 brightest cluster galaxies (BCGs), drawn from a volume-limited sample of nearby BCGs. The images show a rich variety of morphological features, including ...
Observations of the neutral gas and dust in the radio galaxy 3C305
(Blackwell Publishing: Monthly Notices of the Royal Astronomical Society, 2003-01)
We present MERLIN and Hubble Space Telescope (HST) observations of the central region of the nearby radio galaxy 3C305 and use them to study the gas and dust in this object. TheMERLIN observations are of neutral hydrogen ...