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Conference object . 2018
License: CC BY
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Conference object . 2018
License: CC BY
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Angular Momentum Transport in Lopsided Galaxies

Authors: Saha, Kanak;

Angular Momentum Transport in Lopsided Galaxies

Abstract

About 30% of spiral galaxies in the local universe are lopsided (e.g., the well-known M101). In a typical lopsided galaxy, the spatial distribution of stars and gas are elongated in one direction than the other and the asymmetry is often prominent in the out-skirts of the disk. Such a lopsided asymmetry is also evident in the kinematics. However, despite being common and a large-scale asymmetry, its role in the angular momentum (AM) transfer remained unexplored. Recently, Saha & Jog (2014) showed that like bars and spirals, lopsidedness also takes part in the outward AM transport in a galaxy, provided it is leading in nature. It was shown that a combination of trailing spiral and leading lopsidedness is necessary for a galaxy to transport AM outward - facilitating smooth in-flow of cold gas along the galactic plane from cosmic filaments. Using N-body simulations of off-centered disk and dark matter halo, we first generate lopsidedness in the outer part of the disk and demonstrate that indeed lopsidedness is leading in nature.

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download
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
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downloads
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