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The Possible Progenitors of Planetary Nebulae among OH/IR Stars

Published online by Cambridge University Press:  25 April 2016

P. te Lintel Hekkert  and
A. A. Zijlstra
P. te Lintel Hekkert
Affiliation:
Mount Stromlo and Siding Spring Observatories, Private Bag, Weston ACT 2611
A. A. Zijlstra
Affiliation:
South African Astronomical Observatory, PO Box 9 Observatory, Cape 7935, South Africa
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Abstract

Based on a new sample of (IRAS based) OH/IR stars, and a catalogue of planetary nebulae compiled by Acker (1983), we study the relation between these two groups of objects, in terms of the kinematics and the Galactic distribution. In contrast with earlier analyses of samples of OH/IR stars, we find a close correlation between the kinematics of the planetary nebulae and the IRAS based sample of OH/IR stars. In particular, we find that the distribution of the planetary nebulae (PN) shows a good correlation with the OH/IR stars which have a low outflow velocity (Vexp < 12.5 km s−1). Whether the high outflow velocity OH/IR stars also have a counterpart among PN is not clear.

Type
Galactic and Stellar
Information
Publications of the Astronomical Society of Australia , Volume 9 , Issue 2 , 1991 , pp. 298 - 299
Copyright
Copyright © Astronomical Society of Australia 1991

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