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Paper: Multi-Spin Components in the Halos of Early-Type Galaxies Revealed by Planetary Nebulae and Globular Clusters
Volume: 486, Multi-Spin Galaxies
Page: 179
Authors: Coccato, L.; Arnaboldi, M.; Gerhard, O.
Abstract: We have compared the halo kinematics traced by globular clusters and planetary nebulae for two massive ellipticals in dense environments, NGC 1399 (in the Hydra I cluster) and NGC 4649 (in the Virgo cluster). We find differences in the rotational properties of the planetary nebulae, red globular clusters, and blue globular clusters systems, and evidence for multi-spin components in both galaxies.
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