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Formation and evolution of spiral arms in galaxies orbiting a Virgo-like cluster

Published online by Cambridge University Press:  21 March 2017

Marcin Semczuk  and
Ewa L. Łokas
Marcin Semczuk*
Affiliation:
Nicolaus Copernicus Astronomical Center, Bartycka 18, 00-716 Warsaw, Poland
Ewa L. Łokas
Affiliation:
Nicolaus Copernicus Astronomical Center, Bartycka 18, 00-716 Warsaw, Poland
*
*email: msemczuk@camk.edu.pl
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Abstract

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The origin of spiral structure in disks of galaxies remains an open question. One of the theories predicts that two-armed, grand design spiral arms originate from tidal interactions with another body. Using N-body simulations we find that a Milky Way-like galaxy can develop spiral arms due to tidal force from a cluster-size dark matter halo.

Keywords

Galaxiesspiral galaxiesspiral armsN-body simulationsVirgo cluster
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S321: Formation and Evolution of Galaxy Outskirts , March 2016 , pp. 129
Copyright
Copyright © International Astronomical Union 2017 

References

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Semczuk, M. & Łokas, E. L. 2015, arXiv: 1512.06005Google Scholar