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A Rediscussion of the Radio Spectrum of the Orion Nebula

Published online by Cambridge University Press:  25 April 2016

P. A. Shaver
Affiliation:
Cornell-Sydney University, Astronomy Centre School of Physics, University of Sydney
B. Y. Mills
Affiliation:
Cornell-Sydney University, Astronomy Centre School of Physics, University of Sydney

Extract

The Orion Nebula is the best known and most often observed of the bright emission nebulae. However, the radio continuum spectrum of the nebula has been the subject of some misconception, particularly at low frequencies. A rediscussion is worthwhile as the spectrum has been used to derive an electron temperature for the nebula which is at variance with other determinations and carries important implications. Also some of the difficulties of measurement and problems of interpretation are relevant to similar investigations of other emission nebulae.

Type
Contributions
Copyright
Copyright © Astronomical Society of Australia 1969

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