Hostname: page-component-77c89778f8-m8s7h Total loading time: 0 Render date: 2024-07-16T15:37:54.731Z Has data issue: false hasContentIssue false
  • English
  • Français

Radio Observations of the Gum Nebula below 20 MHz

Published online by Cambridge University Press:  25 April 2016

G. R. A. Ellis
G. R. A. Ellis*
Affiliation:
Department of Physics, University of Tasmania
Get access Rights & Permissions [Opens in a new window]

Extract

Low frequency radio waves propagating in the interstellar medium are attenuated through absorption by thermal electrons, the optical depth being given by

where f is the radio frequency in MHz, the emission measure in cm-6 pc, and Te the electron temperature.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 2 , Issue 3 , October 1972 , pp. 158 - 159
Copyright
Copyright © Astronomical Society of Australia 1972

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1 Alexander, J. K., The Gum Nebula and related problems. Goddard Space Flight Center Report X603-71-375, p. 34 (1971).Google Scholar
2 Ellis, G. R. A. and Hamilton, P. A., Ap. J. 143, 227 (1966).Google Scholar
3 Shain, C. A., Komesaroff, M. M. and Higgins, C. S., Aust. J. Phys., 14, 508 (1961).CrossRefGoogle Scholar
4 Landecker, T. L. and Wielebinski, R., Aust. J. Phys. Astrophys. Suppl. No. 16, (1970).Google Scholar
5 Hamilton, P. A., Ph.D. thesis. University of Tasmania (1969).Google Scholar
6 Spitzer, L., Stars and Stellar Systems, Editors Middlehurst, B. M. and Aller, L. H. 7, 1 (1968).Google Scholar