JD1-The Planetary Nebulae and the Dynamics of NGC 1399

Details JD1-The Planetary Nebulae and the Dynamics of NGC 1399 JD1-The Planetary Nebulae and the Dynamics of NGC 1399

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010hia....15...66m&link_type=abstract

Highlights of Astronomy, Volume 15, p. 66-66

Astronomy and Astrophysics

Astronomy

Scientific paper

Dynamical models of galaxies are limited by the paucity of kinematic data at large radii. Beyond the feasible limit of integrated-light spectroscopy, we rely on discrete tracers such as planetary nebulae and globular clusters. We describe a large (~200) sample of planetary nebula (PN) velocities in the outer regions of the cD elliptical NGC 1399. These data were obtained with a counter-dispersed slitless-spectroscopy technique which traces the kinematics to about 60 kpc (McNeil et al., 2009).

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