Antitruncations

Bibcode
2017IAUS..321..190B
DOI
10.1017/S1743921316009303
Beckman, J. E.; Borlaff, A.; Eliche-Moral, M. Carmen; Font, J.; Erwin, Peter
Bibliographical reference

Formation and Evolution of Galaxy Outskirts, Proceedings of the International Astronomical Union, IAU Symposium, Volume 321, pp. 190-192

Advertised on:
3
2017
Number of authors
5
IAC number of authors
3
Citations
0
Refereed citations
0
Description
Since 1970 surface brightness profiles of disc galaxies were classified as Type-I, single falling exponentials, or Type-II, broken exponentials with steeper decline in the outskirts. For the past decade Type-III profiles, (antitruncations), with a shallower fall-off in the outskirts, have been shown to occur in a significant fraction of galaxy discs. Here we give a brief overview, characterizing these profiles and their distribution with galaxy type, with a look at recent explanations of their causes, and how they fit into the picture of galaxy evolution.
Type
Non-refereed
Galaxies
Galaxies

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