Spectroscopy and photometry of ShCG 191 - Abell 1097

Details Spectroscopy and photometry of ShCG 191 - Abell 1097 Spectroscopy and photometry of ShCG 191 - Abell 1097

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005an....326..362t&link_type=abstract

Astronomische Nachrichten, Vol.326, Issue 5, p.362-369

Mathematics

Logic

5

Galaxies: Clusters: General, Galaxies: Interactions, Galaxies: Kinematics And Dynamics, Galaxies: Photometry

Scientific paper

In the course of investigation of Shakhbazian compact groups we studied the group ShCG 191 which has been identified also as the Abell cluster A1097. By its richness it may be classified as a rich compact group or a poor cluster. We determined redshifts of 14 objects in the area of the cluster and found that two of the supposed members of the group are stars. Redshifts of 12 galaxies show that the system is gravitationally bound. The V and R magnitudes of 23 member galaxies and their morphological types are determined. We present in this paper also the surface brightness contours of member galaxies in the central area of the cluster, the curves of isophotal twisting and the Fourier parameter a_4. It is shown that some galaxies in the cluster are interacting with each other. Physical parameters of the group are close to those of ShCGs.

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