Dynamics of elliptical and bulge galaxies using planetary nebulae
We explore the dynamics of four elliptical and bulge galaxies. We focus on the outer parts where the mass is dark-matter dominated and the orbital structures describe the formation histories. We combined the measured kinematics of planetary nebulae (PN) with integrated light kinematics and photometry to provide a radially complete set of compatible observational constraints. The sample is comprised of NGC 1399, NGC 3923, NGC 1316 and NGC 4594. NGC 1399 is one of the nearest cD galaxies and is...[Show more]
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