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Conference object . 2018
License: CC BY
Data sources: Datacite
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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Conference object . 2018
License: CC BY
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S0 Galaxies Are Faded Spirals: Clues from their Angular Momentum Content

Authors: Rizzo, Francesca;

S0 Galaxies Are Faded Spirals: Clues from their Angular Momentum Content

Abstract

We study the stellar specific angular momentum of the disc components for a sample of ten field/group unbarred lenticular (S0) galaxies from the CALIFA survey. The location of these discs in the stellar j-M plane allows us to obtain clues on the physical processes that lead to the formation of S0s from spirals. We found that eight of our S0 discs have a distribution in the j-M plane that is fully compatible with that of spiral discs, while only two have values of j lower than the spirals. These two outliers show signs of recent merging. Our results suggest that merger and interaction processes are not the dominant mechanisms in S0 formation in low-density environments. Instead, S0s appear to be the result of secular processes and the fading of spiral galaxies after the shutdown of star formation.

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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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