We thank the support astronomers at the William Herschel telescope (WHT) for our service mode observations. The WHT is operated on La Palma by the Royal Greenwich Observatory at the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias. Michigan-Dartmouth-MIT Observatory is owned and operated by a consortium of the University of Michigan, Dartmouth College, and the Massachusetts Institute of Technology. Our thanks to Diane Roussel-Dupre, for calling our attention to the outbursts of this object. This research made use of the Simbad database, operated at CDS, Strasbourg, France. SJU was supported in part by the Jet Propulsion Laboratory, California Institute of Technology, under the sponsorship of the Astrophysics Division of NASA's Office of Space Science and Applications.
© European Southern Observatory (ESO) 1998
Online publication: July 27, 1998