Tidally-induced super star clusters in M82

R. de Grijs, R. W. O'Connell, J. S. Gallagher

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

Abstract

Using new HST imaging, we identify a large, evolved system of super star clusters in a disk region just outside the starburst core in the prototypical starburst galaxy M82, "M82 B." This region has been suspected to be a fossil starburst site in which an intense episode of star formation occurred over 100 Myr ago, which is now confirmed by our derived age distribution. It suggests steady, continuing cluster formation at a modest rate at early times (> 2 Cyr ago), followed by a concentrated formation episode similar to600 Myr ago and more recent suppression of cluster formation. The peak episode coincides with independent dynamical estimates for the last tidal encounter with M81.

Original languageEnglish
Title of host publicationExtragalactic star clusters
Subtitle of host publicationproceedings of the 207th Symposium of the IAU held in Pucón, Chile, 12-16 March 2001
EditorsDoug Geisler, Eva K. Grebel, Dante Minniti
Place of PublicationSan Francisco, CA
PublisherAstronomical Society of the Pacific
Pages477-478
Number of pages2
ISBN (Print)158381115X
Publication statusPublished - 2002
Externally publishedYes
EventSymposium on Extragalactic Star Clusters - PUCON, Chile
Duration: 12 Mar 200116 Mar 2001

Publication series

NameInternational Astronomical Union. Symposium
PublisherAstronomical Society of the Pacific
Volume207

Conference

ConferenceSymposium on Extragalactic Star Clusters
Country/TerritoryChile
CityPUCON
Period12/03/0116/03/01

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