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Intensity correlation functions of microwave maser sources

Published online by Cambridge University Press:  04 April 2022

A. V. Shepelev Open the ORCID record for A. V. Shepelev [Opens in a new window]
A. V. Shepelev*
Affiliation:
I.M. Gubkin Russian State University, Moscow, Russia and Scientific and Technological Centre of Unique Instrumentation of the Russian Academy of Sciences, Moscow, Russia
*
Corresponding author: A. V. Shepelev, email: [email protected]
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Abstract

Astrophysical sources of microwave radiation with extremely high spectral brightness are interpreted as masers. But by itself, the information about high brightness of radiation does not make it possible to establish whether the radiation is thermal or maser. This can be determined only on the basis of the analysis of high-order correlation functions. A possible measurement procedure for the second-order autocorrelation function (the bunching parameter) for these sources is proposed.

Keywords

masers
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 39 , 2022 , e011
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Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of the Astronomical Society of Australia

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