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Did brightest cluster galaxies experience more than one star formation epoch?

Published online by Cambridge University Press:  17 July 2013

D. N. Viljoen  and
S. I. Loubser
D. N. Viljoen
Affiliation:
Centre for Space Research, North-West University, Potchefstroom, 2520, South Africa email: [email protected]
S. I. Loubser
Affiliation:
Centre for Space Research, North-West University, Potchefstroom, 2520, South Africa email: [email protected]
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Abstract

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We use the full spectrum fitting ability of ULySS, with the Pegase.HR stellar population model to fit the observed spectra of 40 brightest cluster galaxies in order to determine whether a single or a composite stellar population provided the most probable representation of the star formation history (SFH). We find that some galaxies in the sample have more complex SFHs.

Keywords

galaxies: evolutiongalaxies: general – galaxies: stellar content
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S295: The intriguing life of massive galaxies , August 2012 , pp. 320
Copyright
Copyright © International Astronomical Union 2013 

References

Katayama, H., Hayashida, K. I., Takahara, F., & Fujita, Y. 2003, ApJ, 585, 687Google Scholar
Liu, F. S., Mao, S., & Meng, X. M. 2012, MNRAS, 423, 422CrossRefGoogle Scholar
Loubser, S. I. 2009, Kinematics and stellar population in brightest cluster galaxies, Ph.D. thesis, University of Central LancashireGoogle Scholar