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Probable Type I Planetary Nebulae

Published online by Cambridge University Press:  07 August 2017

H. Moreno ,
A. Gutierrez-Moreno  and
G. Cortes
H. Moreno
Affiliation:
Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile
A. Gutierrez-Moreno
Affiliation:
Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile
G. Cortes
Affiliation:
Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile

Abstract

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During a program of observations of planetary nebulae (PN) made at CTIO in 1982 using the 1.5 m telescope equipped with a Cassegrain spectrograph and a Vidicon detector, and repeated in 1991 using the same configuration with a CCD detector, we found four PN for which Hα < [N II] λ6583: He2-109, He2-145, He2-152, and He2-163. The analysis of the data was made using the computing facilities of Cerro Tololo Computing Center at La Serena, and of the Centro de Procesamiento Digital de Imágenes of the Departamento de Astronomía de la Universidad de Chile.

Type
III. Highlights on the Nebulae
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 196
Copyright
Copyright © Kluwer 1993 

References

Shaw, R.A., and Kaler, J.B. 1989, APJS, 69, 495.Google Scholar