Dynamics and Interactions of Galaxies: Proceedings of the by G. Efstathiou (auth.), Professor Dr. Roland Wielen (eds.)

By G. Efstathiou (auth.), Professor Dr. Roland Wielen (eds.)

Progress in the direction of an figuring out of the dynamics and interactions of galaxies has been spurred on greater than ever through a wealth of recent observations and numerical experiments. The Heidelberg convention 1989, the papers of that are accumulated during this quantity, was once tremendous winning in offering a synoptic view of the sector in all its facets: galaxy interactions within the early universe and in recent years, interactions of our galaxy and its neighbours, dynamical difficulties of elliptical and disk galaxies, teams and clusters, starburst and nuclear job prompted by way of interactions, merger eventualities, and numerical experiments. Researchers and graduate scholars, experts or now not, will locate the following an entire review of a speedily starting to be box of astronomy.

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Extra resources for Dynamics and Interactions of Galaxies: Proceedings of the International Conference, Heidelberg, 29 May – 2 June 1989

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Each of these mechanisms was originally suggested by Dressler and Gunn (1983) and discussed by Bothun and Dressler (1986) in order to explain the "post-starburst" galaxies in the 3C 295 cluster. Both preferred the ram pressure-induced star formation mechanism because of the high velocity dispersions (1000 km/s) of the clusters. Interactions that are to produce strong gravitational effects on the galaxies require a much lower relative velocity for the interacting galaxies (Toomre and Toomre 1972).

We know that large IR luminosities are often associated with multiple and presumably interacting galaxies. (iii) Powerful radio galaxies appear to be in regions of significantly higher galaxy density than low-powered radio galaxies (Heckman et al. 1985, Yates et al 1989). 22 Not only the presence of radio emission, but also radio-quiet Seyfert activity is linked to merging. Keel et al. (1985) have argued that galaxy pairs are more likely to have Seyfert nuclei, while Dahari (1984) gave some evidence that Seyfert galaxies are more likely to have close neighbours.

J. Lett, in press. , Alexander, P. and Duncan, W. , 1989, Mon. Not. Roy. Astro. Soc. , in press. Fabian, A. 1989, Mon. Not. Roy. Astro. , in press. , Miley, G. K. , 1988, Astron. , 95, 26. Keel, W. , Kennicutt, R. , van der Hulst, J. , 90, 708. Heckman, T. , Miley, G. , 1982, Ap. J. 262, 529. Heckman, T. , Carty, T. , and Bothun, G. , 1985, Ap. , 288, 122. , smith, E. P. Baum, S. , van Breugel, W. J. , Miley, G. , Bothun, G. , 1986, Ap. J. 311, 526. Lilly, S. , Longair, M. S. 1984, Monthly Notices Royal Astron.

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