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Kinematics and Angular Momentum in Early Type Galaxy Halos

Published online by Cambridge University Press:  09 May 2016

Jean P. Brodie
Affiliation:
UC Observatories, University of California1156 High St, Santa Cruz, CA 95064, USA email: jbrodie@ucsc.edu
Aaron Romanowsky
Affiliation:
UC Observatories, University of California1156 High St, Santa Cruz, CA 95064, USA email: jbrodie@ucsc.edu San José State University, San Jose, CA email: aaron.romanowsky@sjsu.edu
the SLUGGS team
Affiliation:
http://sluggs.ucolick.org
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Abstract

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We use the kinematics of discrete tracers, primarily globular clusters (GCs) and planetary nebulae (PNe), along with measurements of the integrated starlight to explore the assembly histories of early type galaxies. Data for GCs and stars are taken from the SLUGGS wide field, 2-dimensional, chemo-dynamical survey (Brodie et al. 2014). Data for PNe are from the PN.S survey (see contributions by Gerhard and by Arnaboldi, this volume). We find widespread evidence for 2-phase galaxy assembly and intriguing constraints on hierarchical merging under a lambda CDM cosmology.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2016 

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