Far-ultraviolet and visible imaging of the nucleus of M321

Andrew A. Cole, John S. Gallagher, Jeremy R. Mould, John T. Clarke, John T. Trauger, Alan M. Watson, Gilda E. Ballester, Christopher J. Burrows, Stefano Casertano, David Crisp, Richard E. Griffiths, Carl J. Grillmair, J. Jeff Hester, John G. Hoessel, Jon A. Holtzman, Paul A. Scowen, Karl R. Stapelfeldt, James R. Westphal