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arXiv · 0712.1473

Trends for Outer Disk Profiles

Peter Erwin·Michael Pohlen·Leonel Gutierrez·John E. Beckman
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Abstract

The surface-brightness profiles of galaxy disks fall into three main classes, based on whether they are simple exponentials (Type I), bend down at large radii (Type II, "truncations") or bend up at large radii (Type III, "antitruncations"). Here, we discuss how the frequency of these different profiles depends on Hubble type, environment, and the presence or absence of bars; these trends may herald important new tests for disk formation models.

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Peter Erwin, Michael Pohlen, Leonel Gutierrez, John E. Beckman. 2007-12-10. Trends for Outer Disk Profiles. https://arxiv.org/abs/0712.1473

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