Simulations of Line Profile Structure in Shell Galaxies

Details Simulations of Line Profile Structure in Shell Galaxies Simulations of Line Profile Structure in Shell Galaxies

2009-08-20

arxiv.org/abs/0908.2962v2

ASP Conf.Ser.423:243,2010

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

4 pages, 3 figures, to appear in the Proceedings of the Galaxy Wars: Stellar populations and Star Formation in Interacting Gal

Scientific paper

In the context of exploring mass distributions of dark matter haloes in giant ellipticals, we extend the analysis carried out Merrifield and Kuijken (1998) for stellar line profiles of shells created in nearly radial mergers of galaxies. We show that line-of-sight velocity distributions are more complex than previously predicted. We simulate shell formation and analyze the detectability of spectroscopic signatures of shells after convolution with spectral PSFs.

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