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λ4430 Emission by Comet Hyakutake

Published online by Cambridge University Press:  21 February 2014

M. F. A'Hearn ,
D. D. Wellnitz  and
R. Meier
M. F. A'Hearn
Affiliation:
Department of Astronomy, University of Maryland College Park MD, 20742-2421, United States email: ma@astro.umd.edu, wellnitz@astro.umd.edu
D. D. Wellnitz
Affiliation:
Department of Astronomy, University of Maryland College Park MD, 20742-2421, United States email: ma@astro.umd.edu, wellnitz@astro.umd.edu
R. Meier
Affiliation:
Varian Medical Systems Imaging Laboratory GmbH, Täfernstrasse 7, CH5405, Baden-Dätwill, Switzerland email: Roland.Meier@varian.com
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Abstract

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Comets provide a very different but well understood environment in which to search for DIBs. Observations of occultations by cometary comae have not detected DIBs, but none were very near the nucleus, where the column density of dust is highest. We report here unidentified emission bands, centered at λ4430, very near the nucleus of comet Hyakutake. These may be vaporized forms of grain carriers or fragments of large-molecule carriers. At least two different species appear to be present based on two different spatial distributions.

Keywords

cometsDIBs
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S297: The Diffuse Interstellar Bands , May 2013 , pp. 216 - 218
Copyright
Copyright © International Astronomical Union 2014 

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