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A Catalog of Diffuse Interstellar Bands in Fullerene-Containing Planetary Nebulae

Published online by Cambridge University Press:  21 February 2014

A. Manchado ,
J. J. Díaz-Luis ,
D. A. García-Hernández  and
F. Cataldo
A. Manchado
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea s/n, La Laguna, E-38200, Spain Departamento de Astrofí sica, Universidad de La Laguna, La Laguna, E-38206, Spain Consejo Superior de Investigaciones Científicas, E-28006 Madrid, Spain
J. J. Díaz-Luis
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea s/n, La Laguna, E-38200, Spain Departamento de Astrofí sica, Universidad de La Laguna, La Laguna, E-38206, Spain
D. A. García-Hernández
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea s/n, La Laguna, E-38200, Spain Departamento de Astrofí sica, Universidad de La Laguna, La Laguna, E-38206, Spain
F. Cataldo
Affiliation:
INAF- Osservatorio Astrofisico di Catania, Via S. Sofia 78, Catania 95123, Italy Actinium Chemical Research srl, Via Casilina 1626A, Rome 00133, Italy
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Abstract

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Large fullerenes and fullerene-based molecules have been proposed as carriers of diffuse interstellar bands (DIBs). The recent detection of the most common fullerenes (C60 and C70) around some Planetary Nebulae (PNe) now enable us to study the DIBs in fullerene-rich space environments. We have studied the presence of DIBs in the optical spectra (~3300-9400 Å) of two fullerene-containing PNe (Tc 1 and M 1-20). Special attention is given to DIBs which are found to be unusually intense in fullerene-containing PNe; several of these DIBS have not previously been reported. Fullerenes larger than C60 (and C70) and multishell fullerenes may be possible candidate carriers for the unusual DIBs seen in fullerene-rich environments.

Keywords

Astrochemistrycircumstellar matterplanetary nebulae: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S297: The Diffuse Interstellar Bands , May 2013 , pp. 223 - 225
Copyright
Copyright © International Astronomical Union 2014 

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