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Planetary Nebulae Near the Galactic Center I: Method of Discovery and Preliminary Results

Published online by Cambridge University Press:  19 July 2016

S. R. Pottasch ,
C. Bignell ,
R. Olling  and
A. A. Zijlstra
S. R. Pottasch
Affiliation:
Kapteyn Astron. Inst., Groningen, the Netherlands
C. Bignell
Affiliation:
NRAO (VLA) Socorro, NM, USA
R. Olling
Affiliation:
Kapteyn Astron. Inst., Groningen, the Netherlands
A. A. Zijlstra
Affiliation:
Kapteyn Astron. Inst., Groningen, the Netherlands NRAO (VLA) Socorro, NM, USA

Abstract

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A method is described for finding planetary nebulae. Use is made of the far infrared IRAS colors and radio continuum measurements. The method is applied here to a region within 15° of the galactic center. The first results are given, including 36 new PN. The characteristics of the nebulae are described. While they are generally similar to known nebulae, the method of selection gives an emphasis to younger objects. A substantial number of the new nebulae may be in the transition phase between OH/IR stars and PN.

Type
I. Observational Data on Nebulae
Information
Symposium - International Astronomical Union , Volume 131: Planetary Nebulae , 1989 , pp. 63
Copyright
Copyright © Kluwer 1989