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The Planetary Nebula System and Dynamics in the Outer Halo of NGC 5128

Peng, Eric W; Ford, Holland C; Freeman, Kenneth


The halos of elliptical galaxies are faint and difficult to explore, but they contain vital clues to both structure and formation. We present the results of an imaging and spectroscopic survey for planetary nebulae (PNe) in the nearby elliptical NGC 5128. We extend the work of Hui and coworkers well into the halo of the galaxy - out to distances of 100 and 50 kpc along the major and minor axes. We now know of 1141 PNe in NGC 5128, 780 of which are confirmed. Of these 780 PNe, 349 are new from...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1086/381160


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