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A low-mass HI companion of NGC 1569?
J.M. Stil and
Received 4 March 1998 / Accepted 3 June 1998
High-sensitivity maps of the large-scale structure of atomic hydrogen in the starburst dwarf galaxy NGC 1569 show evidence for an HI cloud with a mass of , at a projected distance of 5 kpc from the parent galaxy. This cloud may be a condensation in a low-column-density HI halo or a companion galaxy/HI-cloud. NGC 1569 and its companion are connected by a low surface brightness HI bridge. At the edge of NGC1569, the HI bridge coincides with H arcs, also detected in soft X-rays.
Key words: ISM: atoms galaxies: individual: NGC 1569 galaxies: interactions galaxies: irregular galaxies: kinematics and dynamics galaxies: starburst
Send offprint requests to: J.M. Stil
Online publication: August 6, 1998