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High-Spatial Resolution Observations of Planetary Nebulae

Published online by Cambridge University Press:  18 September 2017

C. T. Hua  and
R. Louise
C. T. Hua
Affiliation:
Laboratoire d'Astronomie Spatiale de Marseille
R. Louise
Affiliation:
Observatoire de Marseille

Extract

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Monochromatic images in Hα, Hβ, (NII) λ 6584, (SII) λ 6717 and (OIII) λ 5007 lines are presented for morphological study of planetary nebulae. Narrow bandpass (Δλ = 5 to 10 Å) interference filters are generally used in order to discriminate peculiar structures existing in different emission lines. However, large bandwidths (Δλ = 50 Å) along with long exposures, are also necessary in searching for faint nebulosities associated with planetaries.

Type
Abstracts of Contributed Papers
Information
Symposium - International Astronomical Union , Volume 103: Planetary Nebulae , 1983 , pp. 507 - 508
Copyright
Copyright © Reidel 1983