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Extended halos and intracluster light using Planetary Nebulae as tracers in nearby clusters

Published online by Cambridge University Press:  27 October 2016

Magda Arnaboldi
Magda Arnaboldi*
Affiliation:
European Southern Observatory, K. Schwarszchild-str. 2, 85748 Garching, Germany email: marnabol@eso.org INAF, Oss. Astr. di Pino Torinese, 10025 Pino Torinese, Italy
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Abstract

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Since the first detection of intracluster planetary nebulae in 1996, imaging and spectroscopic surveys identified such stars to trace the radial extent and the kinematics of diffuse light in clusters. This topic of research is tightly linked with the studies of galaxy formation and evolution in dense environment, as the spatial distribution and kinematics of planetary nebulae in the outermost regions of galaxies and in the cluster cores is relevant for setting constraints on cosmological simulations. In this sense, extragalactic planetary nebulae play a very important role in the near-field cosmology, in order to measure the integrated mass as function of radius and the orbital distribution of stars in structures placed in the densest regions of the nearby universe.

Keywords

planetary nebulae: generalgalaxies: halosclusters: generalindividual (Virgo, Hydra, Coma)elliptical and lenticularcDkinematics and dynamicsgalaxies individual: (NGC 4486, NGC 3311, NGC 4784, NGC 4889)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29B: Astronomy in Focus , August 2015 , pp. 5 - 10
Copyright
Copyright © International Astronomical Union 2016 

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