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JD1-The Planetary Nebulae and the Dynamics of NGC 1399

Published online by Cambridge University Press:  21 October 2010

Emily McNeil ,
Magda Arnaboldi ,
Ortwin Gerhard ,
Kenneth Freeman ,
Payel Das  and
Lodovico Coccato
Emily McNeil
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2601, Australia email: [email protected]
Magda Arnaboldi
Affiliation:
European Southern Observatory, Karl-Schwarzschild-Strasse 2 D-85748 Garching bei München, Germany
Ortwin Gerhard
Affiliation:
Max-Planck-Institut für Extraterrestrische Physik, Giessenbachstrasse 85748 Garching bei München, Germany
Kenneth Freeman
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2601, Australia email: [email protected]
Payel Das
Affiliation:
Max-Planck-Institut für Extraterrestrische Physik, Giessenbachstrasse 85748 Garching bei München, Germany
Lodovico Coccato
Affiliation:
Max-Planck-Institut für Extraterrestrische Physik, Giessenbachstrasse 85748 Garching bei München, Germany
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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).

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 66
Copyright
Copyright © International Astronomical Union 2010

References

Arnaboldi, M., Freeman, K. C., Hui, X., Capaccioli, M., & Ford, H. 1994, The Messenger 76, 40Google Scholar
McNeil, E. K., Arnaboldi, M., Freeman, K. C., Gerhard, O. E., Coccato, L., & Das, P. 2009, in prepGoogle Scholar