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What Microwave Astronomical Spectroscopy can tell you about the Carriers of the DIBs

Published online by Cambridge University Press:  21 February 2014

H. Liszt ,
R. Lucas ,
J. Pety  and
M. Gerin
H. Liszt
Affiliation:
Notional Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VAUSA22903
R. Lucas
Affiliation:
Institut de Plantologie et d.Astrophysique de Grenoble (UMR 5274)BP 53 F-38041 Grenoble Cedex 9, France
J. Pety
Affiliation:
Institut de Radioastronomie Millimétrique, 300 Rue de la PiscineF-38406 Saint Martin d'Hères, France Obs. de Paris, 61 av. de l'Observatoire, 75014, Paris, France
M. Gerin
Affiliation:
Obs. de Paris, 61 av. de l'Observatoire, 75014, Paris, France LERMA/LRA, Ecole Normale Suprieure, 24 rue Lhomond, 75005 Paris, France
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Abstract

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Astronomical microwave spectroscopy has greatly broadened the inventory of identifiable chemical species in diffuse molecular gas and is an increasingly effective way to measure the abundances of polar molecules that may be candidate diffuse interstellar band carriers. Here we review some recent developments that hold new promise for chemical abundance determinations. We summarize and categorize the molecular inventory that has accrued in the past twenty years from microwave observations of diffuse clouds and we present summary tables of the molecular abundances within various chemical families in both dark and diffuse molecular gas.

Keywords

astrochemistry; ISM: molecules; ISM: lines and bands; techniques: spectroscopic
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S297: The Diffuse Interstellar Bands , May 2013 , pp. 163 - 172
Copyright
Copyright © International Astronomical Union 2014 

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