Ages of Globular Cluster Systems and the Relation to Galaxy Morphology

A.L. Chies Santiago Santos; S.S. Larsen; H. Kuntschner; P. Anders; E.M. Wehner; J. Strader; J.P. Brodie; J.F.C. Santos

doi:10.1017/S1743921311023039

Ages of Globular Cluster Systems and the Relation to Galaxy Morphology

A.L. Chies Santiago Santos
, S.S. Larsen
, H. Kuntschner
, P. Anders
, E.M. Wehner
, J. Strader
, J.P. Brodie
, J.F.C. Santos

Dept of Physics

extern

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

We investigate the age distributions of GC systems in 14 E/S0 galaxies by carrying out a differential comparison of the (g-z) vs. (g-K) two-colour diagrams for different GC systems. No significant distinction is detected in the mean ages of GCs among elliptical galaxies. S0 galaxies on the other hand, show evidence for younger GCs. Surprisingly, this appears to be driven by the more metal-poor clusters. This is suggestive of E type galaxies having assembled most of their GCs in a shorter and earlier period than lenticular galaxies. The latter galaxy type, seems to have a more extended period of GC formation/assembly.

Original language	English
Title of host publication	Tracing the Ancestry of Galaxies (on the land of our ancestors), Proceedings of the International Astronomical Union, IAU Symposium, December 2010
Editors	C. Carignan, K. Freeman
Publisher	International Astronomical Union
Pages	321-324
Number of pages	4
DOIs	https://doi.org/10.1017/S1743921311023039
Publication status	Published - 13 Dec 2010

Bibliographical note

Tracing the Ancestry of Galaxies (on the land of our ancestors)

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10.1017/S1743921311023039

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Chies Santiago Santos, A. L., Larsen, S. S., Kuntschner, H., Anders, P., Wehner, E. M., Strader, J., Brodie, J. P., & Santos, J. F. C. (2010). Ages of Globular Cluster Systems and the Relation to Galaxy Morphology. In C. Carignan, & K. Freeman (Eds.), Tracing the Ancestry of Galaxies (on the land of our ancestors), Proceedings of the International Astronomical Union, IAU Symposium, December 2010 (pp. 321-324). International Astronomical Union. https://doi.org/10.1017/S1743921311023039

Chies Santiago Santos, A.L. ; Larsen, S.S. ; Kuntschner, H. et al. / Ages of Globular Cluster Systems and the Relation to Galaxy Morphology. Tracing the Ancestry of Galaxies (on the land of our ancestors), Proceedings of the International Astronomical Union, IAU Symposium, December 2010. editor / C. Carignan ; K. Freeman. International Astronomical Union, 2010. pp. 321-324

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abstract = "We investigate the age distributions of GC systems in 14 E/S0 galaxies by carrying out a differential comparison of the (g-z) vs. (g-K) two-colour diagrams for different GC systems. No significant distinction is detected in the mean ages of GCs among elliptical galaxies. S0 galaxies on the other hand, show evidence for younger GCs. Surprisingly, this appears to be driven by the more metal-poor clusters. This is suggestive of E type galaxies having assembled most of their GCs in a shorter and earlier period than lenticular galaxies. The latter galaxy type, seems to have a more extended period of GC formation/assembly.",

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Chies Santiago Santos, AL, Larsen, SS, Kuntschner, H, Anders, P, Wehner, EM, Strader, J, Brodie, JP & Santos, JFC 2010, Ages of Globular Cluster Systems and the Relation to Galaxy Morphology. in C Carignan & K Freeman (eds), Tracing the Ancestry of Galaxies (on the land of our ancestors), Proceedings of the International Astronomical Union, IAU Symposium, December 2010. International Astronomical Union, pp. 321-324. https://doi.org/10.1017/S1743921311023039

Ages of Globular Cluster Systems and the Relation to Galaxy Morphology. / Chies Santiago Santos, A.L.; Larsen, S.S.; Kuntschner, H. et al.
Tracing the Ancestry of Galaxies (on the land of our ancestors), Proceedings of the International Astronomical Union, IAU Symposium, December 2010. ed. / C. Carignan; K. Freeman. International Astronomical Union, 2010. p. 321-324.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AB - We investigate the age distributions of GC systems in 14 E/S0 galaxies by carrying out a differential comparison of the (g-z) vs. (g-K) two-colour diagrams for different GC systems. No significant distinction is detected in the mean ages of GCs among elliptical galaxies. S0 galaxies on the other hand, show evidence for younger GCs. Surprisingly, this appears to be driven by the more metal-poor clusters. This is suggestive of E type galaxies having assembled most of their GCs in a shorter and earlier period than lenticular galaxies. The latter galaxy type, seems to have a more extended period of GC formation/assembly.

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BT - Tracing the Ancestry of Galaxies (on the land of our ancestors), Proceedings of the International Astronomical Union, IAU Symposium, December 2010

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ER -

Chies Santiago Santos AL, Larsen SS, Kuntschner H, Anders P, Wehner EM, Strader J et al. Ages of Globular Cluster Systems and the Relation to Galaxy Morphology. In Carignan C, Freeman K, editors, Tracing the Ancestry of Galaxies (on the land of our ancestors), Proceedings of the International Astronomical Union, IAU Symposium, December 2010. International Astronomical Union. 2010. p. 321-324 doi: 10.1017/S1743921311023039

Ages of Globular Cluster Systems and the Relation to Galaxy Morphology

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