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The Study of Comets at Radio Wavelengths

  • Chapter
Comets in the Post-Halley Era

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 167))

Abstract

Radio observations of comets complement studies at other wavelengths as well as providing certain kinds of unique information. Studies of continuum emission may probe the thermal emission of the nucleus and large-size dust particles. Spectroscopic observations of gas in the coma allow searches for parent molecular species that have no signatures in the optical spectral range. The 18-cm wavelength spectral lines of the OH radical now are relatively easy to detect, and observations of them permit long-term and short-term monitoring of the cometary gaseous output. Moreover, with the unique spectral resolution of radio techniques, aspects of the kinematics of the coma may be also studied, such as the gas expansion velocity and the anisotropy of gas production from the nucleus. In this review, we present recent results of cometary radio observations, and discuss what may be learned from such studies in the future.

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Authors and Affiliations

  1. Observatoire de Paris-Meudon, 92195, Meudon, France

    J. Crovisier

  2. Department of Physics and Astronomy, University of Massachusetts, Amherst, MA, 01003, USA

    F. P. Schloerb

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  1. Jet Propulsion Laboratory, Pasadena, California, USA

    R. L. Newburn Jr.  & M. Neugebauer  & 

  2. NASA HQ, Washington, DC, USA

    J. Rahe

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© 1991 Springer Science+Business Media Dordrecht

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Crovisier, J., Schloerb, F.P. (1991). The Study of Comets at Radio Wavelengths. In: Newburn, R.L., Neugebauer, M., Rahe, J. (eds) Comets in the Post-Halley Era. Astrophysics and Space Science Library, vol 167. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3378-4_7

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  • DOI: https://doi.org/10.1007/978-94-011-3378-4_7

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-5494-2

  • Online ISBN: 978-94-011-3378-4

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