A&A Supplement series, Vol. 127, January II 1998, 269-276
Received March 13; accepted May 9, 1997
W.K. Huchtmeier and E.D. Skillman
Send offprint request: W.K. Huchtmeier
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
University of Minnesota, Astronomy Department, 116 Church St., SE, Minneapolis, MN 55455, U.S.A.
We present a search for neutral hydrogen (HI) emission from optically identified dwarf galaxy candidates in the larger M81 group area. Of 136 candidates, 68 galaxies have been detected (this corresponds to a detection rate of 49%). Most of the detected galaxies are background objects and fail to be classified as dwarfs. Many known dwarfs in the M81 group have been detected, but no new members have been discovered.
keywords: galaxies: irregular -- radio lines: galaxies -- galaxies: M 81 -- galaxies clusters M 81 group