The use of Planetary Nebulae precursors in the study of Diffuse Interstellar Bands

Details The use of Planetary Nebulae precursors in the study of Diffuse Interstellar Bands The use of Planetary Nebulae precursors in the study of Diffuse Interstellar Bands

2005-09-02

arxiv.org/abs/astro-ph/0509050v1

AIP Conf.Proc.804:222-228,2006

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, proceedings of the conference 'Planetary Nebulae as Astrophysical Tools', held in Gdansk, Poland (June 28

Scientific paper

10.1063/1.2146281

We present the first results of a systematic search for Diffuse Interstellar Bands in a carefully selected sample of post-AGB stars observed with high resolution optical spectroscopy. These stars are shown to be ideal targets to study this old, intriguing astrophysical problem. Our results suggest that the carrier(s) of these bands may not be present in the circumstellar environments of these evolved stars. The implications of the results obtained on the identification of the still unknown carrier(s) are discussed.

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