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High-quality slitless radial velocities of extragalactic PNs with Subaru and FOCAS

Published online by Cambridge University Press:  15 December 2006

R. H. Méndez ,
A. M. Teodorescu  and
R.-P. Kudritzki
R. H. Méndez
Affiliation:
Institute for Astronomy, Univ. of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA email: mendez@ifa.hawaii.edu
A. M. Teodorescu
Affiliation:
Institute for Astronomy, Univ. of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA email: mendez@ifa.hawaii.edu
R.-P. Kudritzki
Affiliation:
Institute for Astronomy, Univ. of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA email: mendez@ifa.hawaii.edu
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Abstract

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We describe the implementation and accuracy of slitless radial velocity measurements of extragalactic PNs with Subaru and the FOCAS spectrograph. As a first application of the method, we have extended a previous study of PNs in NGC 4697 to larger angular distances from its center, failing again to find evidence of dark matter in this elliptical galaxy.

Keywords

planetary nebulae: generaltechniques: radial velocitiesgalaxies: elliptical and lenticularcDgalaxies: kinematics and dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S234: Planetary Nebulae in our Galaxy and Beyond , April 2006 , pp. 349 - 354
Copyright
© 2006 International Astronomical Union