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Chemical Abundances of the Planetary Nebulae NGC 2392 and NGC 3242

Published online by Cambridge University Press:  12 April 2016

C.H. Wu ,
J.Z. Li ,
Z.W. Chang ,
C.Y. Lin ,
J.Y. Hu  and
W.H. Ip
C.H. Wu
Affiliation:
Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan (Email: m879008@astro.ncu.edu.tw)
J.Z. Li
Affiliation:
Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan (Email: m879008@astro.ncu.edu.tw) Beijing Astronomical Observatory, National Astronomical Observatory, Chinese Academy of Sciences, Beijing 100012, China
Z.W. Chang
Affiliation:
Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan (Email: m879008@astro.ncu.edu.tw)
C.Y. Lin
Affiliation:
Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan (Email: m879008@astro.ncu.edu.tw)
J.Y. Hu
Affiliation:
Beijing Astronomical Observatory, National Astronomical Observatory, Chinese Academy of Sciences, Beijing 100012, China
W.H. Ip
Affiliation:
Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan (Email: m879008@astro.ncu.edu.tw)

Abstract

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Planetary nebulae represent the end product of the evolution of low mass stars with M < 8M⊙. The central stars have masses between 0.55 and 0.85M⊙. This means a large amount of material must have been distributed in the interiors of the PNe. The observed variations of the chemical compositions and mass distributions therefore carry important information about the nature of the associated AGB superwinds and Red Giant outflows. (Kwok et al, 1978) A program for comprehensive multiwavelength study of PNe has been initiated at NCU. One recent study has to do with the spectrographic observations of the planetary nebulae NGC 2392 and NGC 3242 using the 2.16 m telescope of the Beijing Astronomical Observatory. Some preliminary results are presented here.

Type
VII. Science With Small Telescopes
Information
International Astronomical Union Colloquium , Volume 183: Small-Telescope Astronomy on Global Scales , 2001 , pp. 339 - 340
Copyright
Copyright © Astronomical Society of the Pacific 2001

References

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