7-11 July 2014
Africa/Johannesburg timezone
<a href="http://events.saip.org.za/internalPage.py?pageId=16&confId=34"><font color=#0000ff>SAIP2014 Proceedings published on 17 April 2015</font></a>

How does the Cosmic Web Shape Galaxy Formation?

8 Jul 2014, 11:10
D Les 203

D Les 203

Oral Presentation Track D1 - Astrophysics Astro


Dr David Gilbank (South African Astronomical Observatory)

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Galaxy formation is at the same time both remarkably simple and remarkably complicated! Although the key physical processes responsible for shaping galaxies are not worked out in detail, they do however follow well-defined
scaling relations. Recent work has shown that, in order to predict a galaxy's key properties, it is apparently sufficient to know only its stellar mass and the environment in which it resides. However, such approaches may ``smooth over" key details, such as the galaxy's place in the vast web of cosmic structure. I will present early work from a study of a statistical sample of galaxies in the nearby Universe to examine how this larger structure affects a galaxy's key observables, such as star formation
rate and gas content.

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Primary author

Dr David Gilbank (South African Astronomical Observatory)

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