IMAGING OBSERVATIONS OF NEARBY GALAXIES T. Hasegawa , S. Sakamoto , S. Nishiura , Y. Ohyama , Y. Sofue, PASA, 15 (1), 149
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THE STAR FORMATION IN THE HCG 92
We briefly describe H
and archival B-band images (by Mendes de Oliveira) of HCG 92, which is composed of three interacting galaxies. Diffuse H emission is detected at 5
above the noise level, extending as far as the system of HCG 92 itself. This diffuse emission suggests that the three galaxies in HCG 92 are interacting with each other. One galaxy is of seyfert type II, and it is consistent with the intense nuclear emission in the H image. Giant HII regions are identified on tidal tails of remaining two galaxies. However, nuclear star formation of these galaxies is neither confirmed from the H image nor from the spectroscopy.
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