The formation of young clusters in three ongoing galaxy mergers

B. Rothberg, B. Whitmore, F. Schweizer, R. Chandar, R. Van Der Marel, J. Rossa, W. Blair, S. Mengel, M. Rieke

Research output: Contribution to journalArticle

Abstract

High-resolution, multi-wavelength (UV through NIR) imaging from the Hubble Space Telescope has been obtained for three mergers in the Toomre Sequence, NGC 520, NGC 2623, & NGC 3256, to identify and measure the properties of young Globular Cluster (GC) candidates. Unlike previous merger studies, this work focuses on objects that lie in the middle of the Toomre Sequence. This age range represents a critical dynamical transition in the merging sequence between ongoing mergers and advanced remnants with properties more akin to elliptical galaxies. The early results of our investigation include luminosity functions and age-dating of the GC candidates. These results also address the impact of the dynamical state of the merger on the current young cluster population as compared with earlier studies that have dealt with the very oldest and very youngest mergers in the Toomre Sequence.

Original languageEnglish (US)
Number of pages1
JournalProceedings of the International Astronomical Union
Volume2
Issue numberS235
DOIs
StatePublished - Aug 1 2006

Keywords

  • Galaxies: formation
  • Galaxies: interactions
  • Galaxies: star clusters

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Astronomy and Astrophysics
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Space and Planetary Science

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    Rothberg, B., Whitmore, B., Schweizer, F., Chandar, R., Van Der Marel, R., Rossa, J., Blair, W., Mengel, S., & Rieke, M. (2006). The formation of young clusters in three ongoing galaxy mergers. Proceedings of the International Astronomical Union, 2(S235). https://doi.org/10.1017/S1743921306006430