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Intracluster Planetary Nebulae in Clusters and Groups

Published online by Cambridge University Press:  26 May 2016

John J. Feldmeier ,
Robin B. Ciardullo ,
George H. Jacoby ,
Patrick R. Durrell  and
J. Christopher Mihos
John J. Feldmeier
Affiliation:
Department of Astronomy, Case Western Reserve University, Cleveland, OH, USA
Robin B. Ciardullo
Affiliation:
Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA, USA
George H. Jacoby
Affiliation:
WIYN Observatory, Tucson, AZ, USA
Patrick R. Durrell
Affiliation:
Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA, USA
J. Christopher Mihos
Affiliation:
Department of Astronomy, Case Western Reserve University, Cleveland, OH, USA, USA

Abstract

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We present the results from multiple surveys for intracluster planetary nebulae (IPNe) in nearby galaxy clusters and groups. We find that in the case of clusters, our observations imply: 1) the amount of intracluster starlight is significant, up to 20% of the total starlight, 2) in Virgo, is elongated along our line of sight, and 3) is clustered on the sky, implying ongoing tidal stripping. In contrast, searches for IPNe in groups have found little or no intra-group population, implying there may be something in the cluster environment that significantly enhances intracluster star production. from high-resolution N-body simulations, we find that the IPNe should create observable features in position-velocity space, and that these features may eventually allow us to place limits on the dynamics of galaxy clusters.

Type
Part 1. Census
Information
Symposium - International Astronomical Union , Volume 217: Recycling Intergalactic and Interslettar Matter , 2004 , pp. 64 - 69
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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