A relation between the dark mass of elliptical galaxies and their shape. Deur, A. Monthly Notices of the Royal Astronomical Society, 438(2):1535-1551, 2014. Paper Website abstract bibtex It has been reported that there appears to be little non-baryonic dark matter in some elliptical galaxies. We have studied a large number of elliptical galaxies and found a clear, previously unknown, correlation between their dark matter content and the ellipticity of their visible shape. At equal luminosities, flattened medium-size elliptical galaxies have on the average five times larger total mass than round ones. Such a correlation provides a new testing ground for models of dark matter and galaxy formation.
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title = {A relation between the dark mass of elliptical galaxies and their shape},
type = {article},
year = {2014},
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abstract = {It has been reported that there appears to be little non-baryonic dark matter in some elliptical galaxies. We have studied a large number of elliptical galaxies and found a clear, previously unknown, correlation between their dark matter content and the ellipticity of their visible shape. At equal luminosities, flattened medium-size elliptical galaxies have on the average five times larger total mass than round ones. Such a correlation provides a new testing ground for models of dark matter and galaxy formation.},
bibtype = {article},
author = {Deur, A},
journal = {Monthly Notices of the Royal Astronomical Society},
number = {2}
}
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