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The angular momentum-mass relation: a fundamental law from dwarf irregulars to massive spirals

Posti, Lorenzo; Fraternali, Filippo; Di Teodoro, Enrico Maria; Pezzulli, Gabriele


In a Lambda CDM Universe, the specific stellar angular momentum (j(*)) and stellar mass (M-*) of a galaxy are correlated as a consequence of the scaling existing for dark matter haloes (j(h) proportional to M-h(2/3)). The shape of this law is crucial to test galaxy formation models, which are currently discrepant especially at the lowest masses, allowing to constrain fundamental parameters, such as, for example, the retained fraction of angular momentum. In this study, we accurately determine...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201833091
Access Rights: Open Access


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