On the morphology of sigma-drop galaxies

2008/05/02 by S. Comerón, J. H. Knapen, J. E. Beckman
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Context (archaeology) #Elliptical galaxy #Galaxies: Formation, Evolution, Phenomena #Galaxy #Galaxy group #Geography #Peculiar galaxy #Physics #Sigma #Stellar, planetary, and galactic studies #Velocity dispersion #astro-ph

paper · pdf · doi:10.1051/0004-6361:20079161

39 pages. Accepted for publication in Astronomy & Astrophysics

arxiv created 2008/05/02 · openalex publication_date 2008/05/06 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Context. Local reductions of the stellar velocity dispersion in the central regions of galaxies are known as sigma-drops (σ-drops). Knowing the origin of these features can lead to better understanding of inner galactic dynamics.

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