3 papers
astro-ph2000
Deep Optical Imaging of A Compact Group of Galaxies, Seyfert's Sextet
S. Nishiura, T. Murayama, M. Shimada +5
In order to investigate the dynamical status of Seyfert's Sextet (SS), we have obtained a deep optical () image of this group. Our image shows that a faint envelope, down to…
astro-ph2000
A Dynamical Study of Galaxies in the Hickson Compact Groups
S. Nishiura, M. Shimada, Y. Ohyama +2
In order to investigate dynamical properties of spiral galaxies in the Hickson compact groups (HCGs), we present rotation curves of 30 galaxies in 20 HCGs. We found as follows. 1)…
astro-ph2000
The Nuclear Activity of the Galaxies in the Hickson Compact Groups
Masashi Shimada, Youichi Ohyama, Shingo Nishiura +2
In order to investigate the nuclear activity of galaxies residing in compact groups of galaxies, we present results of our optical spectroscopic program made at Okayama Astrophysic…